ContentElement.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Generated / ContentElement.cs / 1 / ContentElement.cs

                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see http://wiki/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
// 
//---------------------------------------------------------------------------

using MS.Internal;
using MS.Internal.KnownBoxes; 
using MS.Internal.PresentationCore;
using MS.Utility; 
using System; 
using System.ComponentModel;
using System.Diagnostics; 
using System.Security;
using System.Security.Permissions;
using System.Windows.Input;
using System.Windows.Media.Animation; 

 
#pragma warning disable 1634, 1691  // suppressing PreSharp warnings 

namespace System.Windows 
{
    partial class ContentElement : IAnimatable
    {
        static private readonly Type _typeofThis = typeof(ContentElement); 

        #region IAnimatable 
 
        /// 
        /// Applies an AnimationClock to a DepencencyProperty which will 
        /// replace the current animations on the property using the snapshot
        /// and replace HandoffBehavior.
        /// 
        ///  
        /// The DependencyProperty to animate.
        ///  
        ///  
        /// The AnimationClock that will animate the property. If this is null
        /// then all animations will be removed from the property. 
        /// 
        public void ApplyAnimationClock(
            DependencyProperty dp,
            AnimationClock clock) 
        {
            ApplyAnimationClock(dp, clock, HandoffBehavior.SnapshotAndReplace); 
        } 

        ///  
        /// Applies an AnimationClock to a DependencyProperty. The effect of
        /// the new AnimationClock on any current animations will be determined by
        /// the value of the handoffBehavior parameter.
        ///  
        /// 
        /// The DependencyProperty to animate. 
        ///  
        /// 
        /// The AnimationClock that will animate the property. If parameter is null 
        /// then animations will be removed from the property if handoffBehavior is
        /// SnapshotAndReplace; otherwise the method call will have no result.
        /// 
        ///  
        /// Determines how the new AnimationClock will transition from or
        /// affect any current animations on the property. 
        ///  
        public void ApplyAnimationClock(
            DependencyProperty dp, 
            AnimationClock clock,
            HandoffBehavior handoffBehavior)
        {
            if (dp == null) 
            {
                throw new ArgumentNullException("dp"); 
            } 

            if (!AnimationStorage.IsPropertyAnimatable(this, dp)) 
            {
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_DependencyPropertyIsNotAnimatable, dp.Name, this.GetType()), "dp");
        #pragma warning restore 56506 
            }
 
            if (clock != null 
                && !AnimationStorage.IsAnimationValid(dp, clock.Timeline))
            { 
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_AnimationTimelineTypeMismatch, clock.Timeline.GetType(), dp.Name, dp.PropertyType), "clock");
        #pragma warning restore 56506
            } 

            if (!HandoffBehaviorEnum.IsDefined(handoffBehavior)) 
            { 
                throw new ArgumentException(SR.Get(SRID.Animation_UnrecognizedHandoffBehavior));
            } 

            if (IsSealed)
            {
                throw new InvalidOperationException(SR.Get(SRID.IAnimatable_CantAnimateSealedDO, dp, this.GetType())); 
            }
 
            AnimationStorage.ApplyAnimationClock(this, dp, clock, handoffBehavior); 
        }
 
        /// 
        /// Starts an animation for a DependencyProperty. The animation will
        /// begin when the next frame is rendered.
        ///  
        /// 
        /// The DependencyProperty to animate. 
        ///  
        /// 
        /// The AnimationTimeline to used to animate the property. 
        /// If the AnimationTimeline's BeginTime is null, any current animations
        /// will be removed and the current value of the property will be held.
        /// If this value is null, all animations will be removed from the property
        /// and the property value will revert back to its base value. 
        /// 
        public void BeginAnimation(DependencyProperty dp, AnimationTimeline animation) 
        { 
            BeginAnimation(dp, animation, HandoffBehavior.SnapshotAndReplace);
        } 

        /// 
        /// Starts an animation for a DependencyProperty. The animation will
        /// begin when the next frame is rendered. 
        /// 
        ///  
        /// The DependencyProperty to animate. 
        /// 
        ///  
        /// The AnimationTimeline to used to animate the property.
        /// If the AnimationTimeline's BeginTime is null, any current animations
        /// will be removed and the current value of the property will be held.
        /// If this value is null, all animations will be removed from the property 
        /// and the property value will revert back to its base value.
        ///  
        ///  
        /// Specifies how the new animation should interact with any current
        /// animations already affecting the property value. 
        /// 
        public void BeginAnimation(DependencyProperty dp, AnimationTimeline animation, HandoffBehavior handoffBehavior)
        {
            if (dp == null) 
            {
                throw new ArgumentNullException("dp"); 
            } 

            if (!AnimationStorage.IsPropertyAnimatable(this, dp)) 
            {
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_DependencyPropertyIsNotAnimatable, dp.Name, this.GetType()), "dp");
        #pragma warning restore 56506 
            }
 
            if (   animation != null 
                && !AnimationStorage.IsAnimationValid(dp, animation))
            { 
                throw new ArgumentException(SR.Get(SRID.Animation_AnimationTimelineTypeMismatch, animation.GetType(), dp.Name, dp.PropertyType), "animation");
            }

            if (!HandoffBehaviorEnum.IsDefined(handoffBehavior)) 
            {
                throw new ArgumentException(SR.Get(SRID.Animation_UnrecognizedHandoffBehavior)); 
            } 

            if (IsSealed) 
            {
                throw new InvalidOperationException(SR.Get(SRID.IAnimatable_CantAnimateSealedDO, dp, this.GetType()));
            }
 
            AnimationStorage.BeginAnimation(this, dp, animation, handoffBehavior);
        } 
 
        /// 
        /// Returns true if any properties on this DependencyObject have a 
        /// persistent animation or the object has one or more clocks associated
        /// with any of its properties.
        /// 
        public bool HasAnimatedProperties 
        {
            get 
            { 
                VerifyAccess();
 
                return IAnimatable_HasAnimatedProperties;
            }
        }
 
        /// 
        ///   If the dependency property is animated this method will 
        ///   give you the value as if it was not animated. 
        /// 
        /// The DependencyProperty 
        /// 
        ///   The value that would be returned if there were no
        ///   animations attached.  If there aren't any attached, then
        ///   the result will be the same as that returned from 
        ///   GetValue.
        ///  
        public object GetAnimationBaseValue(DependencyProperty dp) 
        {
            if (dp == null) 
            {
                throw new ArgumentNullException("dp");
            }
 
            return this.GetValueEntry(
                    LookupEntry(dp.GlobalIndex), 
                    dp, 
                    null,
                    RequestFlags.AnimationBaseValue).Value; 
        }

        #endregion IAnimatable
 
        #region Animation
 
        ///  
        ///     Allows subclasses to participate in property animated value computation
        ///  
        /// 
        /// 
        /// EffectiveValueEntry computed by base
        ///  
        ///     Putting an InheritanceDemand as a defense-in-depth measure,
        ///     as this provides a hook to the property system that we don't 
        ///     want exposed under PartialTrust. 
        /// 
        [UIPermissionAttribute(SecurityAction.InheritanceDemand, Window=UIPermissionWindow.AllWindows)] 
        internal sealed override void EvaluateAnimatedValueCore(
                DependencyProperty  dp,
                PropertyMetadata    metadata,
            ref EffectiveValueEntry entry) 
        {
            if (IAnimatable_HasAnimatedProperties) 
            { 
                AnimationStorage storage = AnimationStorage.GetStorage(this, dp);
 
                if (storage != null)
                {
                    object value = entry.GetFlattenedEntry(RequestFlags.FullyResolved).Value;
                    if (entry.IsDeferredReference) 
                    {
                        DeferredReference dr = (DeferredReference)value; 
                        value = dr.GetValue(entry.BaseValueSourceInternal); 

                        // Set the baseValue back into the entry and clear the 
                        // IsDeferredReference flag
                        entry.SetAnimationBaseValue(value);
                        entry.IsDeferredReference = false;
                    } 

                    object animatedValue = AnimationStorage.GetCurrentPropertyValue(storage, this, dp, metadata, value); 
 
                    entry.SetAnimatedValue(animatedValue, value);
                } 
            }
        }

        #endregion Animation 

        #region Commands 
        ///  
        /// Instance level InputBinding collection, initialized on first use.
        /// To have commands handled (QueryEnabled/Execute) on an element instance, 
        /// the user of this method can add InputBinding with handlers thru this
        /// method.
        /// 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] 
        public InputBindingCollection InputBindings
        { 
            get 
            {
                VerifyAccess(); 
                InputBindingCollection bindings = InputBindingCollectionField.GetValue(this);
                if (bindings == null)
                {
                    bindings = new InputBindingCollection(); 
                    InputBindingCollectionField.SetValue(this, bindings);
                } 
 
                return bindings;
            } 
        }

        // Used by CommandManager to avoid instantiating an empty collection
        internal InputBindingCollection InputBindingsInternal 
        {
            get 
            { 
                VerifyAccess();
                return InputBindingCollectionField.GetValue(this); 
            }
        }

        ///  
        /// This method is used by TypeDescriptor to determine if this property should
        /// be serialized. 
        ///  
        // for serializer to serialize only when InputBindings is not empty
        [EditorBrowsable(EditorBrowsableState.Never)] 
        public bool ShouldSerializeInputBindings()
        {
            InputBindingCollection bindingCollection = InputBindingCollectionField.GetValue(this);
            if (bindingCollection != null && bindingCollection.Count > 0) 
            {
                return true; 
            } 

            return false; 
        }

        /// 
        /// Instance level CommandBinding collection, initialized on first use. 
        /// To have commands handled (QueryEnabled/Execute) on an element instance,
        /// the user of this method can add CommandBinding with handlers thru this 
        /// method. 
        /// 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] 
        public CommandBindingCollection CommandBindings
        {
            get
            { 
                VerifyAccess();
                CommandBindingCollection bindings = CommandBindingCollectionField.GetValue(this); 
                if (bindings == null) 
                {
                    bindings = new CommandBindingCollection(); 
                    CommandBindingCollectionField.SetValue(this, bindings);
                }

                return bindings; 
            }
        } 
 
        // Used by CommandManager to avoid instantiating an empty collection
        internal CommandBindingCollection CommandBindingsInternal 
        {
            get
            {
                VerifyAccess(); 
                return CommandBindingCollectionField.GetValue(this);
            } 
        } 

        ///  
        /// This method is used by TypeDescriptor to determine if this property should
        /// be serialized.
        /// 
        // for serializer to serialize only when CommandBindings is not empty 
        [EditorBrowsable(EditorBrowsableState.Never)]
        public bool ShouldSerializeCommandBindings() 
        { 
            CommandBindingCollection bindingCollection = CommandBindingCollectionField.GetValue(this);
            if (bindingCollection != null && bindingCollection.Count > 0) 
            {
                return true;
            }
 
            return false;
        } 
 
        #endregion Commands
 
        #region Events

        /// 
        ///     Allows ContentElement to augment the 
        ///     
        ///  
        ///  
        ///     Sub-classes of ContentElement can override
        ///     this method to custom augment the route 
        /// 
        /// 
        ///     The  to be
        ///     augmented 
        /// 
        ///  
        ///      for the 
        ///     RoutedEvent to be raised post building
        ///     the route 
        /// 
        /// 
        ///     Whether or not the route should continue past the visual tree.
        ///     If this is true, and there are no more visual parents, the route 
        ///     building code will call the GetUIParentCore method to find the
        ///     next non-visual parent. 
        ///  
        internal virtual bool BuildRouteCore(EventRoute route, RoutedEventArgs args)
        { 
            return false;
        }

        ///  
        ///     Builds the 
        ///  
        ///  
        ///     The  being
        ///     built 
        /// 
        /// 
        ///      for the
        ///     RoutedEvent to be raised post building 
        ///     the route
        ///  
        internal void BuildRoute(EventRoute route, RoutedEventArgs args) 
        {
            UIElement.BuildRouteHelper(this, route, args); 
        }

        /// 
        ///     Raise the events specified by 
        ///     
        ///  
        ///  
        ///     This method is a shorthand for
        ///      and 
        ///     
        /// 
        /// 
        ///      for the event to 
        ///     be raised
        ///  
        /// 
        ///     By default clears the user initiated bit.
        ///     To guard against "replay" attacks. 
        ///
        public void RaiseEvent(RoutedEventArgs e)
        {
            // VerifyAccess(); 

            if (e == null) 
            { 
                throw new ArgumentNullException("e");
            } 
            e.ClearUserInitiated();

            UIElement.RaiseEventImpl(this, e);
        } 

        ///  
        ///     "Trusted" internal flavor of RaiseEvent. 
        ///     Used to set the User-initated RaiseEvent.
        ///  
        ///
        ///     Critical - sets the MarkAsUserInitiated bit.
        ///
        [SecurityCritical] 
        internal void RaiseEvent(RoutedEventArgs args, bool trusted)
        { 
            if (args == null) 
            {
                throw new ArgumentNullException("args"); 
            }
            if ( trusted )
            {
                args.MarkAsUserInitiated(); 
            }
            else 
            { 
                args.ClearUserInitiated();
            } 

            // Try/finally to ensure that UserInitiated bit is cleared.
            try
            { 
                UIElement.RaiseEventImpl(this, args);
            } 
            finally 
            {
                // Clear the bit - just to guarantee it's not used again 
                args.ClearUserInitiated();
            }
        }
 
        /// 
        ///     Allows adjustment to the event source 
        ///  
        /// 
        ///     Subclasses must override this method 
        ///     to be able to adjust the source during
        ///     route invocation 
        ///
        ///     NOTE: Expected to return null when no 
        ///     change is made to source
        ///  
        ///  
        ///     Routed Event Args
        ///  
        /// 
        ///     Returns new source
        /// 
        internal virtual object AdjustEventSource(RoutedEventArgs args) 
        {
            return null; 
        } 

        ///  
        ///     See overloaded method for details
        /// 
        /// 
        ///     handledEventsToo defaults to false  
        ///     See overloaded method for details
        ///  
        ///  
        /// 
        public void AddHandler(RoutedEvent routedEvent, Delegate handler) 
        {
            // HandledEventToo defaults to false
            // Call forwarded
            AddHandler(routedEvent, handler, false); 
        }
 
        ///  
        ///     Adds a routed event handler for the particular
        ///      
        /// 
        /// 
        ///     The handler added thus is also known as
        ///     an instance handler  
        ///     
        /// 
        ///     NOTE: It is not an error to add a handler twice 
        ///     (handler will simply be called twice) 
        ///      
        ///
        ///     Input parameters 
        ///     and handler cannot be null 
        ///     handledEventsToo input parameter when false means 
        ///     that listener does not care about already handled events.
        ///     Hence the handler will not be invoked on the target if 
        ///     the RoutedEvent has already been 
        ///      
        ///     handledEventsToo input parameter when true means 
        ///     that the listener wants to hear about all events even if
        ///     they have already been handled. Hence the handler will
        ///     be invoked irrespective of the event being
        ///      
        /// 
        ///  
        ///      for which the handler 
        ///     is attached
        ///  
        /// 
        ///     The handler that will be invoked on this object
        ///     when the RoutedEvent is raised
        ///  
        /// 
        ///     Flag indicating whether or not the listener wants to 
        ///     hear about events that have already been handled 
        /// 
        public void AddHandler( 
            RoutedEvent routedEvent,
            Delegate handler,
            bool handledEventsToo)
        { 
            // VerifyAccess();
 
            if (routedEvent == null) 
            {
                throw new ArgumentNullException("routedEvent"); 
            }

            if (handler == null)
            { 
                throw new ArgumentNullException("handler");
            } 
 
            if (!routedEvent.IsLegalHandler(handler))
            { 
                throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
            }

            EnsureEventHandlersStore(); 
            EventHandlersStore.AddRoutedEventHandler(routedEvent, handler, handledEventsToo);
 
            OnAddHandler (routedEvent, handler); 
        }
 
        /// 
        ///     Notifies subclass of a new routed event handler.  Note that this is
        ///     called once for each handler added, but OnRemoveHandler is only called
        ///     on the last removal. 
        /// 
        internal virtual void OnAddHandler( 
            RoutedEvent routedEvent, 
            Delegate handler)
        { 
        }

        /// 
        ///     Removes all instances of the specified routed 
        ///     event handler for this object instance
        ///  
        ///  
        ///     The handler removed thus is also known as
        ///     an instance handler  
        ///     
        ///
        ///     NOTE: This method does nothing if there were
        ///     no handlers registered with the matching 
        ///     criteria 
        ///      
        /// 
        ///     Input parameters 
        ///     and handler cannot be null  
        ///     This method ignores the handledEventsToo criterion
        /// 
        /// 
        ///      for which the handler 
        ///     is attached
        ///  
        ///  
        ///     The handler for this object instance to be removed
        ///  
        public void RemoveHandler(RoutedEvent routedEvent, Delegate handler)
        {
            // VerifyAccess();
 
            if (routedEvent == null)
            { 
                throw new ArgumentNullException("routedEvent"); 
            }
 
            if (handler == null)
            {
                throw new ArgumentNullException("handler");
            } 

            if (!routedEvent.IsLegalHandler(handler)) 
            { 
                throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
            } 

            EventHandlersStore store = EventHandlersStore;
            if (store != null)
            { 
                store.RemoveRoutedEventHandler(routedEvent, handler);
 
                OnRemoveHandler (routedEvent, handler); 

                if (store.Count == 0) 
                {
                    // last event handler was removed -- throw away underlying EventHandlersStore
                    EventHandlersStoreField.ClearValue(this);
                    WriteFlag(CoreFlags.ExistsEventHandlersStore, false); 
                }
 
            } 
        }
 
        /// 
        ///     Notifies subclass of an event for which a handler has been removed.
        /// 
        internal virtual void OnRemoveHandler( 
            RoutedEvent routedEvent,
            Delegate handler) 
        { 
        }
 
        private void EventHandlersStoreAdd(EventPrivateKey key, Delegate handler)
        {
            EnsureEventHandlersStore();
            EventHandlersStore.Add(key, handler); 
        }
 
        private void EventHandlersStoreRemove(EventPrivateKey key, Delegate handler) 
        {
            EventHandlersStore store = EventHandlersStore; 
            if (store != null)
            {
                store.Remove(key, handler);
                if (store.Count == 0) 
                {
                    // last event handler was removed -- throw away underlying EventHandlersStore 
                    EventHandlersStoreField.ClearValue(this); 
                    WriteFlag(CoreFlags.ExistsEventHandlersStore, false);
                } 
            }
        }

        ///  
        ///     Add the event handlers for this element to the route.
        ///  
        public void AddToEventRoute(EventRoute route, RoutedEventArgs e) 
        {
            if (route == null) 
            {
                throw new ArgumentNullException("route");
            }
            if (e == null) 
            {
                throw new ArgumentNullException("e"); 
            } 

            // Get class listeners for this ContentElement 
            RoutedEventHandlerInfoList classListeners =
                GlobalEventManager.GetDTypedClassListeners(this.DependencyObjectType, e.RoutedEvent);

            // Add all class listeners for this ContentElement 
            while (classListeners != null)
            { 
                for(int i = 0; i < classListeners.Handlers.Length; i++) 
                {
                    route.Add(this, classListeners.Handlers[i].Handler, classListeners.Handlers[i].InvokeHandledEventsToo); 
                }

                classListeners = classListeners.Next;
            } 

            // Get instance listeners for this ContentElement 
            FrugalObjectList instanceListeners = null; 
            EventHandlersStore store = EventHandlersStore;
            if (store != null) 
            {
                instanceListeners = store[e.RoutedEvent];

                // Add all instance listeners for this ContentElement 
                if (instanceListeners != null)
                { 
                    for (int i = 0; i < instanceListeners.Count; i++) 
                    {
                        route.Add(this, instanceListeners[i].Handler, instanceListeners[i].InvokeHandledEventsToo); 
                    }
                }
            }
 
            // Allow Framework to add event handlers in styles
            AddToEventRouteCore(route, e); 
        } 

        ///  
        ///     This virtual method is to be overridden in Framework
        ///     to be able to add handlers for styles
        /// 
        internal virtual void AddToEventRouteCore(EventRoute route, RoutedEventArgs args) 
        {
        } 
 
        /// 
        ///     Event Handlers Store 
        /// 
        /// 
        ///     The idea of exposing this property is to allow
        ///     elements in the Framework to generically use 
        ///     EventHandlersStore for Clr events as well.
        ///  
        internal EventHandlersStore EventHandlersStore 
        {
            [FriendAccessAllowed] // Built into Core, also used by Framework. 
            get
            {
                if(!ReadFlag(CoreFlags.ExistsEventHandlersStore))
                { 
                    return null;
                } 
                return EventHandlersStoreField.GetValue(this); 
            }
        } 

        /// 
        ///     Ensures that EventHandlersStore will return
        ///     non-null when it is called. 
        /// 
        [FriendAccessAllowed] // Built into Core, also used by Framework. 
        internal void EnsureEventHandlersStore() 
        {
            if (EventHandlersStore == null) 
            {
                EventHandlersStoreField.SetValue(this, new EventHandlersStore());
                WriteFlag(CoreFlags.ExistsEventHandlersStore, true);
            } 
        }
 
        #endregion Events 

 

        private static void RegisterProperties()
        {
            UIElement.IsMouseDirectlyOverPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsMouseDirectlyOver_Changed)));
 
            UIElement.IsMouseOverPropertyKey.OverrideMetadata(
                                _typeofThis,
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsStylusOverPropertyKey.OverrideMetadata( 
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsKeyboardFocusWithinPropertyKey.OverrideMetadata(
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox));
 
            UIElement.IsMouseCapturedPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsMouseCaptured_Changed)));

            UIElement.IsMouseCaptureWithinPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsStylusDirectlyOverPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsStylusDirectlyOver_Changed))); 

            UIElement.IsStylusCapturedPropertyKey.OverrideMetadata( 
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsStylusCaptured_Changed)));

            UIElement.IsStylusCaptureWithinPropertyKey.OverrideMetadata(
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 
 
            UIElement.IsKeyboardFocusedPropertyKey.OverrideMetadata(
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsKeyboardFocused_Changed)));
        } 

 
 
        /// 
        ///     Alias to the Mouse.PreviewMouseDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewMouseDownEvent = Mouse.PreviewMouseDownEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the mouse button was pressed
        ///  
        public event MouseButtonEventHandler PreviewMouseDown 
        {
            add { AddHandler(Mouse.PreviewMouseDownEvent, value, false); } 
            remove { RemoveHandler(Mouse.PreviewMouseDownEvent, value); }
        }

        ///  
        ///     Virtual method reporting the mouse button was pressed
        ///  
        protected internal virtual void OnPreviewMouseDown(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.MouseDownEvent.
        /// 
        public static readonly RoutedEvent MouseDownEvent = Mouse.MouseDownEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the mouse button was pressed 
        ///  
        public event MouseButtonEventHandler MouseDown
        { 
            add { AddHandler(Mouse.MouseDownEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseDownEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the mouse button was pressed 
        ///  
        protected internal virtual void OnMouseDown(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.PreviewMouseUpEvent.
        /// 
        public static readonly RoutedEvent PreviewMouseUpEvent = Mouse.PreviewMouseUpEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the mouse button was released 
        /// 
        public event MouseButtonEventHandler PreviewMouseUp 
        {
            add { AddHandler(Mouse.PreviewMouseUpEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseUpEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the mouse button was released 
        /// 
        protected internal virtual void OnPreviewMouseUp(MouseButtonEventArgs e) {} 

        /// 
        ///     Alias to the Mouse.MouseUpEvent.
        ///  
        public static readonly RoutedEvent MouseUpEvent = Mouse.MouseUpEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the mouse button was released
        ///  
        public event MouseButtonEventHandler MouseUp
        {
            add { AddHandler(Mouse.MouseUpEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseUpEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the mouse button was released
        ///  
        protected internal virtual void OnMouseUp(MouseButtonEventArgs e) {}

        /// 
        ///     Alias to the UIElement.PreviewMouseLeftButtonDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewMouseLeftButtonDownEvent = UIElement.PreviewMouseLeftButtonDownEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the left mouse button was pressed 
        /// 
        public event MouseButtonEventHandler PreviewMouseLeftButtonDown
        {
            add { AddHandler(UIElement.PreviewMouseLeftButtonDownEvent, value, false); } 
            remove { RemoveHandler(UIElement.PreviewMouseLeftButtonDownEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the left mouse button was pressed 
        /// 
        protected internal virtual void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e) {}

        ///  
        ///     Alias to the UIElement.MouseLeftButtonDownEvent.
        ///  
        public static readonly RoutedEvent MouseLeftButtonDownEvent = UIElement.MouseLeftButtonDownEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the left mouse button was pressed
        /// 
        public event MouseButtonEventHandler MouseLeftButtonDown
        { 
            add { AddHandler(UIElement.MouseLeftButtonDownEvent, value, false); }
            remove { RemoveHandler(UIElement.MouseLeftButtonDownEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the left mouse button was pressed
        /// 
        protected internal virtual void OnMouseLeftButtonDown(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the UIElement.PreviewMouseLeftButtonUpEvent. 
        ///  
        public static readonly RoutedEvent PreviewMouseLeftButtonUpEvent = UIElement.PreviewMouseLeftButtonUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the left mouse button was released
        /// 
        public event MouseButtonEventHandler PreviewMouseLeftButtonUp 
        {
            add { AddHandler(UIElement.PreviewMouseLeftButtonUpEvent, value, false); } 
            remove { RemoveHandler(UIElement.PreviewMouseLeftButtonUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the left mouse button was released
        /// 
        protected internal virtual void OnPreviewMouseLeftButtonUp(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the UIElement.MouseLeftButtonUpEvent. 
        /// 
        public static readonly RoutedEvent MouseLeftButtonUpEvent = UIElement.MouseLeftButtonUpEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the left mouse button was released
        ///  
        public event MouseButtonEventHandler MouseLeftButtonUp
        { 
            add { AddHandler(UIElement.MouseLeftButtonUpEvent, value, false); } 
            remove { RemoveHandler(UIElement.MouseLeftButtonUpEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the left mouse button was released
        ///  
        protected internal virtual void OnMouseLeftButtonUp(MouseButtonEventArgs e) {}
 
        ///  
        ///     Alias to the UIElement.PreviewMouseRightButtonDownEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseRightButtonDownEvent = UIElement.PreviewMouseRightButtonDownEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the right mouse button was pressed 
        /// 
        public event MouseButtonEventHandler PreviewMouseRightButtonDown 
        { 
            add { AddHandler(UIElement.PreviewMouseRightButtonDownEvent, value, false); }
            remove { RemoveHandler(UIElement.PreviewMouseRightButtonDownEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the right mouse button was pressed 
        /// 
        protected internal virtual void OnPreviewMouseRightButtonDown(MouseButtonEventArgs e) {} 
 
        /// 
        ///     Alias to the UIElement.MouseRightButtonDownEvent. 
        /// 
        public static readonly RoutedEvent MouseRightButtonDownEvent = UIElement.MouseRightButtonDownEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the right mouse button was pressed
        ///  
        public event MouseButtonEventHandler MouseRightButtonDown 
        {
            add { AddHandler(UIElement.MouseRightButtonDownEvent, value, false); } 
            remove { RemoveHandler(UIElement.MouseRightButtonDownEvent, value); }
        }

        ///  
        ///     Virtual method reporting the right mouse button was pressed
        ///  
        protected internal virtual void OnMouseRightButtonDown(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the UIElement.PreviewMouseRightButtonUpEvent.
        /// 
        public static readonly RoutedEvent PreviewMouseRightButtonUpEvent = UIElement.PreviewMouseRightButtonUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the right mouse button was released 
        ///  
        public event MouseButtonEventHandler PreviewMouseRightButtonUp
        { 
            add { AddHandler(UIElement.PreviewMouseRightButtonUpEvent, value, false); }
            remove { RemoveHandler(UIElement.PreviewMouseRightButtonUpEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the right mouse button was released 
        ///  
        protected internal virtual void OnPreviewMouseRightButtonUp(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the UIElement.MouseRightButtonUpEvent.
        /// 
        public static readonly RoutedEvent MouseRightButtonUpEvent = UIElement.MouseRightButtonUpEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the right mouse button was released 
        /// 
        public event MouseButtonEventHandler MouseRightButtonUp 
        {
            add { AddHandler(UIElement.MouseRightButtonUpEvent, value, false); }
            remove { RemoveHandler(UIElement.MouseRightButtonUpEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the right mouse button was released 
        /// 
        protected internal virtual void OnMouseRightButtonUp(MouseButtonEventArgs e) {} 

        /// 
        ///     Alias to the Mouse.PreviewMouseMoveEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseMoveEvent = Mouse.PreviewMouseMoveEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting a mouse move
        ///  
        public event MouseEventHandler PreviewMouseMove
        {
            add { AddHandler(Mouse.PreviewMouseMoveEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseMoveEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting a mouse move
        ///  
        protected internal virtual void OnPreviewMouseMove(MouseEventArgs e) {}

        /// 
        ///     Alias to the Mouse.MouseMoveEvent. 
        /// 
        public static readonly RoutedEvent MouseMoveEvent = Mouse.MouseMoveEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting a mouse move 
        /// 
        public event MouseEventHandler MouseMove
        {
            add { AddHandler(Mouse.MouseMoveEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseMoveEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting a mouse move 
        /// 
        protected internal virtual void OnMouseMove(MouseEventArgs e) {}

        ///  
        ///     Alias to the Mouse.PreviewMouseWheelEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseWheelEvent = Mouse.PreviewMouseWheelEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting a mouse wheel rotation
        /// 
        public event MouseWheelEventHandler PreviewMouseWheel
        { 
            add { AddHandler(Mouse.PreviewMouseWheelEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseWheelEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting a mouse wheel rotation
        /// 
        protected internal virtual void OnPreviewMouseWheel(MouseWheelEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.MouseWheelEvent. 
        ///  
        public static readonly RoutedEvent MouseWheelEvent = Mouse.MouseWheelEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a mouse wheel rotation
        /// 
        public event MouseWheelEventHandler MouseWheel 
        {
            add { AddHandler(Mouse.MouseWheelEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseWheelEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting a mouse wheel rotation
        /// 
        protected internal virtual void OnMouseWheel(MouseWheelEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.MouseEnterEvent. 
        /// 
        public static readonly RoutedEvent MouseEnterEvent = Mouse.MouseEnterEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the mouse entered this element
        ///  
        public event MouseEventHandler MouseEnter
        { 
            add { AddHandler(Mouse.MouseEnterEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseEnterEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the mouse entered this element
        ///  
        protected internal virtual void OnMouseEnter(MouseEventArgs e) {}
 
        ///  
        ///     Alias to the Mouse.MouseLeaveEvent.
        ///  
        public static readonly RoutedEvent MouseLeaveEvent = Mouse.MouseLeaveEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the mouse left this element 
        /// 
        public event MouseEventHandler MouseLeave 
        { 
            add { AddHandler(Mouse.MouseLeaveEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseLeaveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the mouse left this element 
        /// 
        protected internal virtual void OnMouseLeave(MouseEventArgs e) {} 
 
        /// 
        ///     Alias to the Mouse.GotMouseCaptureEvent. 
        /// 
        public static readonly RoutedEvent GotMouseCaptureEvent = Mouse.GotMouseCaptureEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting that this element got the mouse capture
        ///  
        public event MouseEventHandler GotMouseCapture 
        {
            add { AddHandler(Mouse.GotMouseCaptureEvent, value, false); } 
            remove { RemoveHandler(Mouse.GotMouseCaptureEvent, value); }
        }

        ///  
        ///     Virtual method reporting that this element got the mouse capture
        ///  
        protected internal virtual void OnGotMouseCapture(MouseEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.LostMouseCaptureEvent.
        /// 
        public static readonly RoutedEvent LostMouseCaptureEvent = Mouse.LostMouseCaptureEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting that this element lost the mouse capture 
        ///  
        public event MouseEventHandler LostMouseCapture
        { 
            add { AddHandler(Mouse.LostMouseCaptureEvent, value, false); }
            remove { RemoveHandler(Mouse.LostMouseCaptureEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting that this element lost the mouse capture 
        ///  
        protected internal virtual void OnLostMouseCapture(MouseEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.QueryCursorEvent.
        /// 
        public static readonly RoutedEvent QueryCursorEvent = Mouse.QueryCursorEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the cursor to display was requested 
        /// 
        public event QueryCursorEventHandler QueryCursor 
        {
            add { AddHandler(Mouse.QueryCursorEvent, value, false); }
            remove { RemoveHandler(Mouse.QueryCursorEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the cursor to display was requested 
        /// 
        protected internal virtual void OnQueryCursor(QueryCursorEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.PreviewStylusDownEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusDownEvent = Stylus.PreviewStylusDownEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting a stylus-down
        ///  
        public event StylusDownEventHandler PreviewStylusDown
        {
            add { AddHandler(Stylus.PreviewStylusDownEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusDownEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting a stylus-down
        ///  
        protected internal virtual void OnPreviewStylusDown(StylusDownEventArgs e) {}

        /// 
        ///     Alias to the Stylus.StylusDownEvent. 
        /// 
        public static readonly RoutedEvent StylusDownEvent = Stylus.StylusDownEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting a stylus-down 
        /// 
        public event StylusDownEventHandler StylusDown
        {
            add { AddHandler(Stylus.StylusDownEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusDownEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting a stylus-down 
        /// 
        protected internal virtual void OnStylusDown(StylusDownEventArgs e) {}

        ///  
        ///     Alias to the Stylus.PreviewStylusUpEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusUpEvent = Stylus.PreviewStylusUpEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting a stylus-up
        /// 
        public event StylusEventHandler PreviewStylusUp
        { 
            add { AddHandler(Stylus.PreviewStylusUpEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusUpEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting a stylus-up
        /// 
        protected internal virtual void OnPreviewStylusUp(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.StylusUpEvent. 
        ///  
        public static readonly RoutedEvent StylusUpEvent = Stylus.StylusUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a stylus-up
        /// 
        public event StylusEventHandler StylusUp 
        {
            add { AddHandler(Stylus.StylusUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting a stylus-up
        /// 
        protected internal virtual void OnStylusUp(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.PreviewStylusMoveEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusMoveEvent = Stylus.PreviewStylusMoveEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting a stylus move
        ///  
        public event StylusEventHandler PreviewStylusMove
        { 
            add { AddHandler(Stylus.PreviewStylusMoveEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusMoveEvent, value); }
        } 

        /// 
        ///     Virtual method reporting a stylus move
        ///  
        protected internal virtual void OnPreviewStylusMove(StylusEventArgs e) {}
 
        ///  
        ///     Alias to the Stylus.StylusMoveEvent.
        ///  
        public static readonly RoutedEvent StylusMoveEvent = Stylus.StylusMoveEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting a stylus move 
        /// 
        public event StylusEventHandler StylusMove 
        { 
            add { AddHandler(Stylus.StylusMoveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusMoveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a stylus move 
        /// 
        protected internal virtual void OnStylusMove(StylusEventArgs e) {} 
 
        /// 
        ///     Alias to the Stylus.PreviewStylusInAirMoveEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusInAirMoveEvent = Stylus.PreviewStylusInAirMoveEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting a stylus-in-air-move
        ///  
        public event StylusEventHandler PreviewStylusInAirMove 
        {
            add { AddHandler(Stylus.PreviewStylusInAirMoveEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusInAirMoveEvent, value); }
        }

        ///  
        ///     Virtual method reporting a stylus-in-air-move
        ///  
        protected internal virtual void OnPreviewStylusInAirMove(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.StylusInAirMoveEvent.
        /// 
        public static readonly RoutedEvent StylusInAirMoveEvent = Stylus.StylusInAirMoveEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a stylus-in-air-move 
        ///  
        public event StylusEventHandler StylusInAirMove
        { 
            add { AddHandler(Stylus.StylusInAirMoveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusInAirMoveEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting a stylus-in-air-move 
        ///  
        protected internal virtual void OnStylusInAirMove(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.StylusEnterEvent.
        /// 
        public static readonly RoutedEvent StylusEnterEvent = Stylus.StylusEnterEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the stylus entered this element 
        /// 
        public event StylusEventHandler StylusEnter 
        {
            add { AddHandler(Stylus.StylusEnterEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusEnterEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the stylus entered this element 
        /// 
        protected internal virtual void OnStylusEnter(StylusEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.StylusLeaveEvent.
        ///  
        public static readonly RoutedEvent StylusLeaveEvent = Stylus.StylusLeaveEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the stylus left this element
        ///  
        public event StylusEventHandler StylusLeave
        {
            add { AddHandler(Stylus.StylusLeaveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusLeaveEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the stylus left this element
        ///  
        protected internal virtual void OnStylusLeave(StylusEventArgs e) {}

        /// 
        ///     Alias to the Stylus.PreviewStylusInRangeEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusInRangeEvent = Stylus.PreviewStylusInRangeEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the stylus is now in range of the digitizer 
        /// 
        public event StylusEventHandler PreviewStylusInRange
        {
            add { AddHandler(Stylus.PreviewStylusInRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusInRangeEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the stylus is now in range of the digitizer 
        /// 
        protected internal virtual void OnPreviewStylusInRange(StylusEventArgs e) {}

        ///  
        ///     Alias to the Stylus.StylusInRangeEvent.
        ///  
        public static readonly RoutedEvent StylusInRangeEvent = Stylus.StylusInRangeEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the stylus is now in range of the digitizer
        /// 
        public event StylusEventHandler StylusInRange
        { 
            add { AddHandler(Stylus.StylusInRangeEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusInRangeEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the stylus is now in range of the digitizer
        /// 
        protected internal virtual void OnStylusInRange(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.PreviewStylusOutOfRangeEvent. 
        ///  
        public static readonly RoutedEvent PreviewStylusOutOfRangeEvent = Stylus.PreviewStylusOutOfRangeEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the stylus is now out of range of the digitizer
        /// 
        public event StylusEventHandler PreviewStylusOutOfRange 
        {
            add { AddHandler(Stylus.PreviewStylusOutOfRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusOutOfRangeEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the stylus is now out of range of the digitizer
        /// 
        protected internal virtual void OnPreviewStylusOutOfRange(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.StylusOutOfRangeEvent. 
        /// 
        public static readonly RoutedEvent StylusOutOfRangeEvent = Stylus.StylusOutOfRangeEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the stylus is now out of range of the digitizer
        ///  
        public event StylusEventHandler StylusOutOfRange
        { 
            add { AddHandler(Stylus.StylusOutOfRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusOutOfRangeEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the stylus is now out of range of the digitizer
        ///  
        protected internal virtual void OnStylusOutOfRange(StylusEventArgs e) {}
 
        ///  
        ///     Alias to the Stylus.PreviewStylusSystemGestureEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusSystemGestureEvent = Stylus.PreviewStylusSystemGestureEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting a stylus system gesture 
        /// 
        public event StylusSystemGestureEventHandler PreviewStylusSystemGesture 
        { 
            add { AddHandler(Stylus.PreviewStylusSystemGestureEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusSystemGestureEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a stylus system gesture 
        /// 
        protected internal virtual void OnPreviewStylusSystemGesture(StylusSystemGestureEventArgs e) {} 
 
        /// 
        ///     Alias to the Stylus.StylusSystemGestureEvent. 
        /// 
        public static readonly RoutedEvent StylusSystemGestureEvent = Stylus.StylusSystemGestureEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting a stylus system gesture
        ///  
        public event StylusSystemGestureEventHandler StylusSystemGesture 
        {
            add { AddHandler(Stylus.StylusSystemGestureEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusSystemGestureEvent, value); }
        }

        ///  
        ///     Virtual method reporting a stylus system gesture
        ///  
        protected internal virtual void OnStylusSystemGesture(StylusSystemGestureEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.GotStylusCaptureEvent.
        /// 
        public static readonly RoutedEvent GotStylusCaptureEvent = Stylus.GotStylusCaptureEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting that this element got the stylus capture 
        ///  
        public event StylusEventHandler GotStylusCapture
        { 
            add { AddHandler(Stylus.GotStylusCaptureEvent, value, false); }
            remove { RemoveHandler(Stylus.GotStylusCaptureEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting that this element got the stylus capture 
        ///  
        protected internal virtual void OnGotStylusCapture(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.LostStylusCaptureEvent.
        /// 
        public static readonly RoutedEvent LostStylusCaptureEvent = Stylus.LostStylusCaptureEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting that this element lost the stylus capture 
        /// 
        public event StylusEventHandler LostStylusCapture 
        {
            add { AddHandler(Stylus.LostStylusCaptureEvent, value, false); }
            remove { RemoveHandler(Stylus.LostStylusCaptureEvent, value); }
        } 

        ///  
        ///     Virtual method reporting that this element lost the stylus capture 
        /// 
        protected internal virtual void OnLostStylusCapture(StylusEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.StylusButtonDownEvent.
        ///  
        public static readonly RoutedEvent StylusButtonDownEvent = Stylus.StylusButtonDownEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the stylus button is down
        ///  
        public event StylusButtonEventHandler StylusButtonDown
        {
            add { AddHandler(Stylus.StylusButtonDownEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusButtonDownEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the stylus button is down
        ///  
        protected internal virtual void OnStylusButtonDown(StylusButtonEventArgs e) {}

        /// 
        ///     Alias to the Stylus.StylusButtonUpEvent. 
        /// 
        public static readonly RoutedEvent StylusButtonUpEvent = Stylus.StylusButtonUpEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the stylus button is up 
        /// 
        public event StylusButtonEventHandler StylusButtonUp
        {
            add { AddHandler(Stylus.StylusButtonUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusButtonUpEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the stylus button is up 
        /// 
        protected internal virtual void OnStylusButtonUp(StylusButtonEventArgs e) {}

        ///  
        ///     Alias to the Stylus.PreviewStylusButtonDownEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusButtonDownEvent = Stylus.PreviewStylusButtonDownEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the stylus button is down
        /// 
        public event StylusButtonEventHandler PreviewStylusButtonDown
        { 
            add { AddHandler(Stylus.PreviewStylusButtonDownEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusButtonDownEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the stylus button is down
        /// 
        protected internal virtual void OnPreviewStylusButtonDown(StylusButtonEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.PreviewStylusButtonUpEvent. 
        ///  
        public static readonly RoutedEvent PreviewStylusButtonUpEvent = Stylus.PreviewStylusButtonUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the stylus button is up
        /// 
        public event StylusButtonEventHandler PreviewStylusButtonUp 
        {
            add { AddHandler(Stylus.PreviewStylusButtonUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusButtonUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the stylus button is up
        /// 
        protected internal virtual void OnPreviewStylusButtonUp(StylusButtonEventArgs e) {} 

        ///  
        ///     Alias to the Keyboard.PreviewKeyDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewKeyDownEvent = Keyboard.PreviewKeyDownEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting a key was pressed
        ///  
        public event KeyEventHandler PreviewKeyDown
        { 
            add { AddHandler(Keyboard.PreviewKeyDownEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewKeyDownEvent, value); }
        } 

        /// 
        ///     Virtual method reporting a key was pressed
        ///  
        protected internal virtual void OnPreviewKeyDown(KeyEventArgs e) {}
 
        ///  
        ///     Alias to the Keyboard.KeyDownEvent.
        ///  
        public static readonly RoutedEvent KeyDownEvent = Keyboard.KeyDownEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting a key was pressed 
        /// 
        public event KeyEventHandler KeyDown 
        { 
            add { AddHandler(Keyboard.KeyDownEvent, value, false); }
            remove { RemoveHandler(Keyboard.KeyDownEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a key was pressed 
        /// 
        protected internal virtual void OnKeyDown(KeyEventArgs e) {} 
 
        /// 
        ///     Alias to the Keyboard.PreviewKeyUpEvent. 
        /// 
        public static readonly RoutedEvent PreviewKeyUpEvent = Keyboard.PreviewKeyUpEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting a key was released
        ///  
        public event KeyEventHandler PreviewKeyUp 
        {
            add { AddHandler(Keyboard.PreviewKeyUpEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewKeyUpEvent, value); }
        }

        ///  
        ///     Virtual method reporting a key was released
        ///  
        protected internal virtual void OnPreviewKeyUp(KeyEventArgs e) {} 

        ///  
        ///     Alias to the Keyboard.KeyUpEvent.
        /// 
        public static readonly RoutedEvent KeyUpEvent = Keyboard.KeyUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a key was released 
        ///  
        public event KeyEventHandler KeyUp
        { 
            add { AddHandler(Keyboard.KeyUpEvent, value, false); }
            remove { RemoveHandler(Keyboard.KeyUpEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting a key was released 
        ///  
        protected internal virtual void OnKeyUp(KeyEventArgs e) {}
 
        /// 
        ///     Alias to the Keyboard.PreviewGotKeyboardFocusEvent.
        /// 
        public static readonly RoutedEvent PreviewGotKeyboardFocusEvent = Keyboard.PreviewGotKeyboardFocusEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting that the keyboard is focused on this element 
        /// 
        public event KeyboardFocusChangedEventHandler PreviewGotKeyboardFocus 
        {
            add { AddHandler(Keyboard.PreviewGotKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.PreviewGotKeyboardFocusEvent, value); }
        } 

        ///  
        ///     Virtual method reporting that the keyboard is focused on this element 
        /// 
        protected internal virtual void OnPreviewGotKeyboardFocus(KeyboardFocusChangedEventArgs e) {} 

        /// 
        ///     Alias to the Keyboard.GotKeyboardFocusEvent.
        ///  
        public static readonly RoutedEvent GotKeyboardFocusEvent = Keyboard.GotKeyboardFocusEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting that the keyboard is focused on this element
        ///  
        public event KeyboardFocusChangedEventHandler GotKeyboardFocus
        {
            add { AddHandler(Keyboard.GotKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.GotKeyboardFocusEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting that the keyboard is focused on this element
        ///  
        protected internal virtual void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e) {}

        /// 
        ///     Alias to the Keyboard.PreviewLostKeyboardFocusEvent. 
        /// 
        public static readonly RoutedEvent PreviewLostKeyboardFocusEvent = Keyboard.PreviewLostKeyboardFocusEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting that the keyboard is no longer focusekeyboard is no longer focuseed 
        /// 
        public event KeyboardFocusChangedEventHandler PreviewLostKeyboardFocus
        {
            add { AddHandler(Keyboard.PreviewLostKeyboardFocusEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewLostKeyboardFocusEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting that the keyboard is no longer focusekeyboard is no longer focuseed 
        /// 
        protected internal virtual void OnPreviewLostKeyboardFocus(KeyboardFocusChangedEventArgs e) {}

        ///  
        ///     Alias to the Keyboard.LostKeyboardFocusEvent.
        ///  
        public static readonly RoutedEvent LostKeyboardFocusEvent = Keyboard.LostKeyboardFocusEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting that the keyboard is no longer focusekeyboard is no longer focuseed
        /// 
        public event KeyboardFocusChangedEventHandler LostKeyboardFocus
        { 
            add { AddHandler(Keyboard.LostKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.LostKeyboardFocusEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting that the keyboard is no longer focusekeyboard is no longer focuseed
        /// 
        protected internal virtual void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e) {}
 
        /// 
        ///     Alias to the TextCompositionManager.PreviewTextInputEvent. 
        ///  
        public static readonly RoutedEvent PreviewTextInputEvent = TextCompositionManager.PreviewTextInputEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting text composition
        /// 
        public event TextCompositionEventHandler PreviewTextInput 
        {
            add { AddHandler(TextCompositionManager.PreviewTextInputEvent, value, false); } 
            remove { RemoveHandler(TextCompositionManager.PreviewTextInputEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting text composition
        /// 
        protected internal virtual void OnPreviewTextInput(TextCompositionEventArgs e) {} 

        ///  
        ///     Alias to the TextCompositionManager.TextInputEvent. 
        /// 
        public static readonly RoutedEvent TextInputEvent = TextCompositionManager.TextInputEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting text composition
        ///  
        public event TextCompositionEventHandler TextInput
        { 
            add { AddHandler(TextCompositionManager.TextInputEvent, value, false); } 
            remove { RemoveHandler(TextCompositionManager.TextInputEvent, value); }
        } 

        /// 
        ///     Virtual method reporting text composition
        ///  
        protected internal virtual void OnTextInput(TextCompositionEventArgs e) {}
 
        ///  
        ///     Alias to the DragDrop.PreviewQueryContinueDragEvent.
        ///  
        public static readonly RoutedEvent PreviewQueryContinueDragEvent = DragDrop.PreviewQueryContinueDragEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the preview query continue drag is going to happen 
        /// 
        public event QueryContinueDragEventHandler PreviewQueryContinueDrag 
        { 
            add { AddHandler(DragDrop.PreviewQueryContinueDragEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewQueryContinueDragEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the preview query continue drag is going to happen 
        /// 
        protected internal virtual void OnPreviewQueryContinueDrag(QueryContinueDragEventArgs e) {} 
 
        /// 
        ///     Alias to the DragDrop.QueryContinueDragEvent. 
        /// 
        public static readonly RoutedEvent QueryContinueDragEvent = DragDrop.QueryContinueDragEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the query continue drag is going to happen
        ///  
        public event QueryContinueDragEventHandler QueryContinueDrag 
        {
            add { AddHandler(DragDrop.QueryContinueDragEvent, value, false); } 
            remove { RemoveHandler(DragDrop.QueryContinueDragEvent, value); }
        }

        ///  
        ///     Virtual method reporting the query continue drag is going to happen
        ///  
        protected internal virtual void OnQueryContinueDrag(QueryContinueDragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.PreviewGiveFeedbackEvent.
        /// 
        public static readonly RoutedEvent PreviewGiveFeedbackEvent = DragDrop.PreviewGiveFeedbackEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the preview give feedback is going to happen 
        ///  
        public event GiveFeedbackEventHandler PreviewGiveFeedback
        { 
            add { AddHandler(DragDrop.PreviewGiveFeedbackEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewGiveFeedbackEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the preview give feedback is going to happen 
        ///  
        protected internal virtual void OnPreviewGiveFeedback(GiveFeedbackEventArgs e) {}
 
        /// 
        ///     Alias to the DragDrop.GiveFeedbackEvent.
        /// 
        public static readonly RoutedEvent GiveFeedbackEvent = DragDrop.GiveFeedbackEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the give feedback is going to happen 
        /// 
        public event GiveFeedbackEventHandler GiveFeedback 
        {
            add { AddHandler(DragDrop.GiveFeedbackEvent, value, false); }
            remove { RemoveHandler(DragDrop.GiveFeedbackEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the give feedback is going to happen 
        /// 
        protected internal virtual void OnGiveFeedback(GiveFeedbackEventArgs e) {} 

        /// 
        ///     Alias to the DragDrop.PreviewDragEnterEvent.
        ///  
        public static readonly RoutedEvent PreviewDragEnterEvent = DragDrop.PreviewDragEnterEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the preview drag enter is going to happen
        ///  
        public event DragEventHandler PreviewDragEnter
        {
            add { AddHandler(DragDrop.PreviewDragEnterEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewDragEnterEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the preview drag enter is going to happen
        ///  
        protected internal virtual void OnPreviewDragEnter(DragEventArgs e) {}

        /// 
        ///     Alias to the DragDrop.DragEnterEvent. 
        /// 
        public static readonly RoutedEvent DragEnterEvent = DragDrop.DragEnterEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the drag enter is going to happen 
        /// 
        public event DragEventHandler DragEnter
        {
            add { AddHandler(DragDrop.DragEnterEvent, value, false); } 
            remove { RemoveHandler(DragDrop.DragEnterEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the drag enter is going to happen 
        /// 
        protected internal virtual void OnDragEnter(DragEventArgs e) {}

        ///  
        ///     Alias to the DragDrop.PreviewDragOverEvent.
        ///  
        public static readonly RoutedEvent PreviewDragOverEvent = DragDrop.PreviewDragOverEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the preview drag over is going to happen
        /// 
        public event DragEventHandler PreviewDragOver
        { 
            add { AddHandler(DragDrop.PreviewDragOverEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewDragOverEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the preview drag over is going to happen
        /// 
        protected internal virtual void OnPreviewDragOver(DragEventArgs e) {}
 
        /// 
        ///     Alias to the DragDrop.DragOverEvent. 
        ///  
        public static readonly RoutedEvent DragOverEvent = DragDrop.DragOverEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the drag over is going to happen
        /// 
        public event DragEventHandler DragOver 
        {
            add { AddHandler(DragDrop.DragOverEvent, value, false); } 
            remove { RemoveHandler(DragDrop.DragOverEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the drag over is going to happen
        /// 
        protected internal virtual void OnDragOver(DragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.PreviewDragLeaveEvent. 
        /// 
        public static readonly RoutedEvent PreviewDragLeaveEvent = DragDrop.PreviewDragLeaveEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the preview drag leave is going to happen
        ///  
        public event DragEventHandler PreviewDragLeave
        { 
            add { AddHandler(DragDrop.PreviewDragLeaveEvent, value, false); } 
            remove { RemoveHandler(DragDrop.PreviewDragLeaveEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the preview drag leave is going to happen
        ///  
        protected internal virtual void OnPreviewDragLeave(DragEventArgs e) {}
 
        ///  
        ///     Alias to the DragDrop.DragLeaveEvent.
        ///  
        public static readonly RoutedEvent DragLeaveEvent = DragDrop.DragLeaveEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the drag leave is going to happen 
        /// 
        public event DragEventHandler DragLeave 
        { 
            add { AddHandler(DragDrop.DragLeaveEvent, value, false); }
            remove { RemoveHandler(DragDrop.DragLeaveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the drag leave is going to happen 
        /// 
        protected internal virtual void OnDragLeave(DragEventArgs e) {} 
 
        /// 
        ///     Alias to the DragDrop.PreviewDropEvent. 
        /// 
        public static readonly RoutedEvent PreviewDropEvent = DragDrop.PreviewDropEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the preview drop is going to happen
        ///  
        public event DragEventHandler PreviewDrop 
        {
            add { AddHandler(DragDrop.PreviewDropEvent, value, false); } 
            remove { RemoveHandler(DragDrop.PreviewDropEvent, value); }
        }

        ///  
        ///     Virtual method reporting the preview drop is going to happen
        ///  
        protected internal virtual void OnPreviewDrop(DragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.DropEvent.
        /// 
        public static readonly RoutedEvent DropEvent = DragDrop.DropEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the drag enter is going to happen 
        ///  
        public event DragEventHandler Drop
        { 
            add { AddHandler(DragDrop.DropEvent, value, false); }
            remove { RemoveHandler(DragDrop.DropEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the drag enter is going to happen 
        ///  
        protected internal virtual void OnDrop(DragEventArgs e) {}
 
        /// 
        ///     The dependency property for the IsMouseDirectlyOver property.
        /// 
        public static readonly DependencyProperty IsMouseDirectlyOverProperty = UIElement.IsMouseDirectlyOverProperty.AddOwner(_typeofThis); 

        private static void IsMouseDirectlyOver_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        { 
            ((ContentElement) d).RaiseIsMouseDirectlyOverChanged(e);
        } 

        /// 
        ///     An event reporting that the IsMouseDirectlyOver property changed.
        ///  
        public event DependencyPropertyChangedEventHandler IsMouseDirectlyOverChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsMouseDirectlyOverChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsMouseDirectlyOverChangedKey, value); }
        } 

        /// 
        ///     An event reporting that the IsMouseDirectlyOver property changed.
        ///  
        protected virtual void OnIsMouseDirectlyOverChanged(DependencyPropertyChangedEventArgs e)
        { 
        } 

        private void RaiseIsMouseDirectlyOverChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first.
            OnIsMouseDirectlyOverChanged(args);
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseDirectlyOverChangedKey, args); 
        } 

        ///  
        ///     The dependency property for the IsMouseOver property.
        /// 
        public static readonly DependencyProperty IsMouseOverProperty = UIElement.IsMouseOverProperty.AddOwner(_typeofThis);
 
        /// 
        ///     The dependency property for the IsStylusOver property. 
        ///  
        public static readonly DependencyProperty IsStylusOverProperty = UIElement.IsStylusOverProperty.AddOwner(_typeofThis);
 
        /// 
        ///     The dependency property for the IsKeyboardFocusWithin property.
        /// 
        public static readonly DependencyProperty IsKeyboardFocusWithinProperty = UIElement.IsKeyboardFocusWithinProperty.AddOwner(_typeofThis); 

        ///  
        ///     An event reporting that the IsKeyboardFocusWithin property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsKeyboardFocusWithinChanged 
        {
            add    { EventHandlersStoreAdd(UIElement.IsKeyboardFocusWithinChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsKeyboardFocusWithinChangedKey, value); }
        } 

        ///  
        ///     An event reporting that the IsKeyboardFocusWithin property changed. 
        /// 
        protected virtual void OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs e) 
        {
        }

        internal void RaiseIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsKeyboardFocusWithinChanged(args); 

            // Raise the public event second. 
            RaiseDependencyPropertyChanged(UIElement.IsKeyboardFocusWithinChangedKey, args);
        }

        ///  
        ///     The dependency property for the IsMouseCaptured property.
        ///  
        public static readonly DependencyProperty IsMouseCapturedProperty = UIElement.IsMouseCapturedProperty.AddOwner(_typeofThis); 

        private static void IsMouseCaptured_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        {
            ((ContentElement) d).RaiseIsMouseCapturedChanged(e);
        }
 
        /// 
        ///     An event reporting that the IsMouseCaptured property changed. 
        ///  
        public event DependencyPropertyChangedEventHandler IsMouseCapturedChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsMouseCapturedChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsMouseCapturedChangedKey, value); }
        }
 
        /// 
        ///     An event reporting that the IsMouseCaptured property changed. 
        ///  
        protected virtual void OnIsMouseCapturedChanged(DependencyPropertyChangedEventArgs e)
        { 
        }

        private void RaiseIsMouseCapturedChanged(DependencyPropertyChangedEventArgs args)
        { 
            // Call the virtual method first.
            OnIsMouseCapturedChanged(args); 
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseCapturedChangedKey, args); 
        }

        /// 
        ///     The dependency property for the IsMouseCaptureWithin property. 
        /// 
        public static readonly DependencyProperty IsMouseCaptureWithinProperty = UIElement.IsMouseCaptureWithinProperty.AddOwner(_typeofThis); 
 
        /// 
        ///     An event reporting that the IsMouseCaptureWithin property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsMouseCaptureWithinChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsMouseCaptureWithinChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsMouseCaptureWithinChangedKey, value); }
        } 
 
        /// 
        ///     An event reporting that the IsMouseCaptureWithin property changed. 
        /// 
        protected virtual void OnIsMouseCaptureWithinChanged(DependencyPropertyChangedEventArgs e)
        {
        } 

        internal void RaiseIsMouseCaptureWithinChanged(DependencyPropertyChangedEventArgs args) 
        { 
            // Call the virtual method first.
            OnIsMouseCaptureWithinChanged(args); 

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseCaptureWithinChangedKey, args);
        } 

        ///  
        ///     The dependency property for the IsStylusDirectlyOver property. 
        /// 
        public static readonly DependencyProperty IsStylusDirectlyOverProperty = UIElement.IsStylusDirectlyOverProperty.AddOwner(_typeofThis); 

        private static void IsStylusDirectlyOver_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ContentElement) d).RaiseIsStylusDirectlyOverChanged(e); 
        }
 
        ///  
        ///     An event reporting that the IsStylusDirectlyOver property changed.
        ///  
        public event DependencyPropertyChangedEventHandler IsStylusDirectlyOverChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsStylusDirectlyOverChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusDirectlyOverChangedKey, value); } 
        }
 
        ///  
        ///     An event reporting that the IsStylusDirectlyOver property changed.
        ///  
        protected virtual void OnIsStylusDirectlyOverChanged(DependencyPropertyChangedEventArgs e)
        {
        }
 
        private void RaiseIsStylusDirectlyOverChanged(DependencyPropertyChangedEventArgs args)
        { 
            // Call the virtual method first. 
            OnIsStylusDirectlyOverChanged(args);
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsStylusDirectlyOverChangedKey, args);
        }
 
        /// 
        ///     The dependency property for the IsStylusCaptured property. 
        ///  
        public static readonly DependencyProperty IsStylusCapturedProperty = UIElement.IsStylusCapturedProperty.AddOwner(_typeofThis);
 
        private static void IsStylusCaptured_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ContentElement) d).RaiseIsStylusCapturedChanged(e);
        } 

        ///  
        ///     An event reporting that the IsStylusCaptured property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsStylusCapturedChanged 
        {
            add    { EventHandlersStoreAdd(UIElement.IsStylusCapturedChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusCapturedChangedKey, value); }
        } 

        ///  
        ///     An event reporting that the IsStylusCaptured property changed. 
        /// 
        protected virtual void OnIsStylusCapturedChanged(DependencyPropertyChangedEventArgs e) 
        {
        }

        private void RaiseIsStylusCapturedChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsStylusCapturedChanged(args); 

            // Raise the public event second. 
            RaiseDependencyPropertyChanged(UIElement.IsStylusCapturedChangedKey, args);
        }

        ///  
        ///     The dependency property for the IsStylusCaptureWithin property.
        ///  
        public static readonly DependencyProperty IsStylusCaptureWithinProperty = UIElement.IsStylusCaptureWithinProperty.AddOwner(_typeofThis); 

        ///  
        ///     An event reporting that the IsStylusCaptureWithin property changed.
        /// 
        public event DependencyPropertyChangedEventHandler IsStylusCaptureWithinChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsStylusCaptureWithinChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusCaptureWithinChangedKey, value); } 
        } 

        ///  
        ///     An event reporting that the IsStylusCaptureWithin property changed.
        /// 
        protected virtual void OnIsStylusCaptureWithinChanged(DependencyPropertyChangedEventArgs e)
        { 
        }
 
        internal void RaiseIsStylusCaptureWithinChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsStylusCaptureWithinChanged(args);

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsStylusCaptureWithinChangedKey, args); 
        }
 
        ///  
        ///     The dependency property for the IsKeyboardFocused property.
        ///  
        public static readonly DependencyProperty IsKeyboardFocusedProperty = UIElement.IsKeyboardFocusedProperty.AddOwner(_typeofThis);

        private static void IsKeyboardFocused_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            ((ContentElement) d).RaiseIsKeyboardFocusedChanged(e);
        } 
 
        /// 
        ///     An event reporting that the IsKeyboardFocused property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsKeyboardFocusedChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsKeyboardFocusedChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsKeyboardFocusedChangedKey, value); }
        } 
 
        /// 
        ///     An event reporting that the IsKeyboardFocused property changed. 
        /// 
        protected virtual void OnIsKeyboardFocusedChanged(DependencyPropertyChangedEventArgs e)
        {
        } 

        private void RaiseIsKeyboardFocusedChanged(DependencyPropertyChangedEventArgs args) 
        { 
            // Call the virtual method first.
            OnIsKeyboardFocusedChanged(args); 

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsKeyboardFocusedChangedKey, args);
        } 

        internal bool ReadFlag(CoreFlags field) 
        { 
            return (_flags & field) != 0;
        } 

        internal void WriteFlag(CoreFlags field,bool value)
        {
            if (value) 
            {
                 _flags |= field; 
            } 
            else
            { 
                 _flags &= (~field);
            }
        }
 
        private CoreFlags       _flags;
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see http://wiki/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
// 
//---------------------------------------------------------------------------

using MS.Internal;
using MS.Internal.KnownBoxes; 
using MS.Internal.PresentationCore;
using MS.Utility; 
using System; 
using System.ComponentModel;
using System.Diagnostics; 
using System.Security;
using System.Security.Permissions;
using System.Windows.Input;
using System.Windows.Media.Animation; 

 
#pragma warning disable 1634, 1691  // suppressing PreSharp warnings 

namespace System.Windows 
{
    partial class ContentElement : IAnimatable
    {
        static private readonly Type _typeofThis = typeof(ContentElement); 

        #region IAnimatable 
 
        /// 
        /// Applies an AnimationClock to a DepencencyProperty which will 
        /// replace the current animations on the property using the snapshot
        /// and replace HandoffBehavior.
        /// 
        ///  
        /// The DependencyProperty to animate.
        ///  
        ///  
        /// The AnimationClock that will animate the property. If this is null
        /// then all animations will be removed from the property. 
        /// 
        public void ApplyAnimationClock(
            DependencyProperty dp,
            AnimationClock clock) 
        {
            ApplyAnimationClock(dp, clock, HandoffBehavior.SnapshotAndReplace); 
        } 

        ///  
        /// Applies an AnimationClock to a DependencyProperty. The effect of
        /// the new AnimationClock on any current animations will be determined by
        /// the value of the handoffBehavior parameter.
        ///  
        /// 
        /// The DependencyProperty to animate. 
        ///  
        /// 
        /// The AnimationClock that will animate the property. If parameter is null 
        /// then animations will be removed from the property if handoffBehavior is
        /// SnapshotAndReplace; otherwise the method call will have no result.
        /// 
        ///  
        /// Determines how the new AnimationClock will transition from or
        /// affect any current animations on the property. 
        ///  
        public void ApplyAnimationClock(
            DependencyProperty dp, 
            AnimationClock clock,
            HandoffBehavior handoffBehavior)
        {
            if (dp == null) 
            {
                throw new ArgumentNullException("dp"); 
            } 

            if (!AnimationStorage.IsPropertyAnimatable(this, dp)) 
            {
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_DependencyPropertyIsNotAnimatable, dp.Name, this.GetType()), "dp");
        #pragma warning restore 56506 
            }
 
            if (clock != null 
                && !AnimationStorage.IsAnimationValid(dp, clock.Timeline))
            { 
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_AnimationTimelineTypeMismatch, clock.Timeline.GetType(), dp.Name, dp.PropertyType), "clock");
        #pragma warning restore 56506
            } 

            if (!HandoffBehaviorEnum.IsDefined(handoffBehavior)) 
            { 
                throw new ArgumentException(SR.Get(SRID.Animation_UnrecognizedHandoffBehavior));
            } 

            if (IsSealed)
            {
                throw new InvalidOperationException(SR.Get(SRID.IAnimatable_CantAnimateSealedDO, dp, this.GetType())); 
            }
 
            AnimationStorage.ApplyAnimationClock(this, dp, clock, handoffBehavior); 
        }
 
        /// 
        /// Starts an animation for a DependencyProperty. The animation will
        /// begin when the next frame is rendered.
        ///  
        /// 
        /// The DependencyProperty to animate. 
        ///  
        /// 
        /// The AnimationTimeline to used to animate the property. 
        /// If the AnimationTimeline's BeginTime is null, any current animations
        /// will be removed and the current value of the property will be held.
        /// If this value is null, all animations will be removed from the property
        /// and the property value will revert back to its base value. 
        /// 
        public void BeginAnimation(DependencyProperty dp, AnimationTimeline animation) 
        { 
            BeginAnimation(dp, animation, HandoffBehavior.SnapshotAndReplace);
        } 

        /// 
        /// Starts an animation for a DependencyProperty. The animation will
        /// begin when the next frame is rendered. 
        /// 
        ///  
        /// The DependencyProperty to animate. 
        /// 
        ///  
        /// The AnimationTimeline to used to animate the property.
        /// If the AnimationTimeline's BeginTime is null, any current animations
        /// will be removed and the current value of the property will be held.
        /// If this value is null, all animations will be removed from the property 
        /// and the property value will revert back to its base value.
        ///  
        ///  
        /// Specifies how the new animation should interact with any current
        /// animations already affecting the property value. 
        /// 
        public void BeginAnimation(DependencyProperty dp, AnimationTimeline animation, HandoffBehavior handoffBehavior)
        {
            if (dp == null) 
            {
                throw new ArgumentNullException("dp"); 
            } 

            if (!AnimationStorage.IsPropertyAnimatable(this, dp)) 
            {
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_DependencyPropertyIsNotAnimatable, dp.Name, this.GetType()), "dp");
        #pragma warning restore 56506 
            }
 
            if (   animation != null 
                && !AnimationStorage.IsAnimationValid(dp, animation))
            { 
                throw new ArgumentException(SR.Get(SRID.Animation_AnimationTimelineTypeMismatch, animation.GetType(), dp.Name, dp.PropertyType), "animation");
            }

            if (!HandoffBehaviorEnum.IsDefined(handoffBehavior)) 
            {
                throw new ArgumentException(SR.Get(SRID.Animation_UnrecognizedHandoffBehavior)); 
            } 

            if (IsSealed) 
            {
                throw new InvalidOperationException(SR.Get(SRID.IAnimatable_CantAnimateSealedDO, dp, this.GetType()));
            }
 
            AnimationStorage.BeginAnimation(this, dp, animation, handoffBehavior);
        } 
 
        /// 
        /// Returns true if any properties on this DependencyObject have a 
        /// persistent animation or the object has one or more clocks associated
        /// with any of its properties.
        /// 
        public bool HasAnimatedProperties 
        {
            get 
            { 
                VerifyAccess();
 
                return IAnimatable_HasAnimatedProperties;
            }
        }
 
        /// 
        ///   If the dependency property is animated this method will 
        ///   give you the value as if it was not animated. 
        /// 
        /// The DependencyProperty 
        /// 
        ///   The value that would be returned if there were no
        ///   animations attached.  If there aren't any attached, then
        ///   the result will be the same as that returned from 
        ///   GetValue.
        ///  
        public object GetAnimationBaseValue(DependencyProperty dp) 
        {
            if (dp == null) 
            {
                throw new ArgumentNullException("dp");
            }
 
            return this.GetValueEntry(
                    LookupEntry(dp.GlobalIndex), 
                    dp, 
                    null,
                    RequestFlags.AnimationBaseValue).Value; 
        }

        #endregion IAnimatable
 
        #region Animation
 
        ///  
        ///     Allows subclasses to participate in property animated value computation
        ///  
        /// 
        /// 
        /// EffectiveValueEntry computed by base
        ///  
        ///     Putting an InheritanceDemand as a defense-in-depth measure,
        ///     as this provides a hook to the property system that we don't 
        ///     want exposed under PartialTrust. 
        /// 
        [UIPermissionAttribute(SecurityAction.InheritanceDemand, Window=UIPermissionWindow.AllWindows)] 
        internal sealed override void EvaluateAnimatedValueCore(
                DependencyProperty  dp,
                PropertyMetadata    metadata,
            ref EffectiveValueEntry entry) 
        {
            if (IAnimatable_HasAnimatedProperties) 
            { 
                AnimationStorage storage = AnimationStorage.GetStorage(this, dp);
 
                if (storage != null)
                {
                    object value = entry.GetFlattenedEntry(RequestFlags.FullyResolved).Value;
                    if (entry.IsDeferredReference) 
                    {
                        DeferredReference dr = (DeferredReference)value; 
                        value = dr.GetValue(entry.BaseValueSourceInternal); 

                        // Set the baseValue back into the entry and clear the 
                        // IsDeferredReference flag
                        entry.SetAnimationBaseValue(value);
                        entry.IsDeferredReference = false;
                    } 

                    object animatedValue = AnimationStorage.GetCurrentPropertyValue(storage, this, dp, metadata, value); 
 
                    entry.SetAnimatedValue(animatedValue, value);
                } 
            }
        }

        #endregion Animation 

        #region Commands 
        ///  
        /// Instance level InputBinding collection, initialized on first use.
        /// To have commands handled (QueryEnabled/Execute) on an element instance, 
        /// the user of this method can add InputBinding with handlers thru this
        /// method.
        /// 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] 
        public InputBindingCollection InputBindings
        { 
            get 
            {
                VerifyAccess(); 
                InputBindingCollection bindings = InputBindingCollectionField.GetValue(this);
                if (bindings == null)
                {
                    bindings = new InputBindingCollection(); 
                    InputBindingCollectionField.SetValue(this, bindings);
                } 
 
                return bindings;
            } 
        }

        // Used by CommandManager to avoid instantiating an empty collection
        internal InputBindingCollection InputBindingsInternal 
        {
            get 
            { 
                VerifyAccess();
                return InputBindingCollectionField.GetValue(this); 
            }
        }

        ///  
        /// This method is used by TypeDescriptor to determine if this property should
        /// be serialized. 
        ///  
        // for serializer to serialize only when InputBindings is not empty
        [EditorBrowsable(EditorBrowsableState.Never)] 
        public bool ShouldSerializeInputBindings()
        {
            InputBindingCollection bindingCollection = InputBindingCollectionField.GetValue(this);
            if (bindingCollection != null && bindingCollection.Count > 0) 
            {
                return true; 
            } 

            return false; 
        }

        /// 
        /// Instance level CommandBinding collection, initialized on first use. 
        /// To have commands handled (QueryEnabled/Execute) on an element instance,
        /// the user of this method can add CommandBinding with handlers thru this 
        /// method. 
        /// 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] 
        public CommandBindingCollection CommandBindings
        {
            get
            { 
                VerifyAccess();
                CommandBindingCollection bindings = CommandBindingCollectionField.GetValue(this); 
                if (bindings == null) 
                {
                    bindings = new CommandBindingCollection(); 
                    CommandBindingCollectionField.SetValue(this, bindings);
                }

                return bindings; 
            }
        } 
 
        // Used by CommandManager to avoid instantiating an empty collection
        internal CommandBindingCollection CommandBindingsInternal 
        {
            get
            {
                VerifyAccess(); 
                return CommandBindingCollectionField.GetValue(this);
            } 
        } 

        ///  
        /// This method is used by TypeDescriptor to determine if this property should
        /// be serialized.
        /// 
        // for serializer to serialize only when CommandBindings is not empty 
        [EditorBrowsable(EditorBrowsableState.Never)]
        public bool ShouldSerializeCommandBindings() 
        { 
            CommandBindingCollection bindingCollection = CommandBindingCollectionField.GetValue(this);
            if (bindingCollection != null && bindingCollection.Count > 0) 
            {
                return true;
            }
 
            return false;
        } 
 
        #endregion Commands
 
        #region Events

        /// 
        ///     Allows ContentElement to augment the 
        ///     
        ///  
        ///  
        ///     Sub-classes of ContentElement can override
        ///     this method to custom augment the route 
        /// 
        /// 
        ///     The  to be
        ///     augmented 
        /// 
        ///  
        ///      for the 
        ///     RoutedEvent to be raised post building
        ///     the route 
        /// 
        /// 
        ///     Whether or not the route should continue past the visual tree.
        ///     If this is true, and there are no more visual parents, the route 
        ///     building code will call the GetUIParentCore method to find the
        ///     next non-visual parent. 
        ///  
        internal virtual bool BuildRouteCore(EventRoute route, RoutedEventArgs args)
        { 
            return false;
        }

        ///  
        ///     Builds the 
        ///  
        ///  
        ///     The  being
        ///     built 
        /// 
        /// 
        ///      for the
        ///     RoutedEvent to be raised post building 
        ///     the route
        ///  
        internal void BuildRoute(EventRoute route, RoutedEventArgs args) 
        {
            UIElement.BuildRouteHelper(this, route, args); 
        }

        /// 
        ///     Raise the events specified by 
        ///     
        ///  
        ///  
        ///     This method is a shorthand for
        ///      and 
        ///     
        /// 
        /// 
        ///      for the event to 
        ///     be raised
        ///  
        /// 
        ///     By default clears the user initiated bit.
        ///     To guard against "replay" attacks. 
        ///
        public void RaiseEvent(RoutedEventArgs e)
        {
            // VerifyAccess(); 

            if (e == null) 
            { 
                throw new ArgumentNullException("e");
            } 
            e.ClearUserInitiated();

            UIElement.RaiseEventImpl(this, e);
        } 

        ///  
        ///     "Trusted" internal flavor of RaiseEvent. 
        ///     Used to set the User-initated RaiseEvent.
        ///  
        ///
        ///     Critical - sets the MarkAsUserInitiated bit.
        ///
        [SecurityCritical] 
        internal void RaiseEvent(RoutedEventArgs args, bool trusted)
        { 
            if (args == null) 
            {
                throw new ArgumentNullException("args"); 
            }
            if ( trusted )
            {
                args.MarkAsUserInitiated(); 
            }
            else 
            { 
                args.ClearUserInitiated();
            } 

            // Try/finally to ensure that UserInitiated bit is cleared.
            try
            { 
                UIElement.RaiseEventImpl(this, args);
            } 
            finally 
            {
                // Clear the bit - just to guarantee it's not used again 
                args.ClearUserInitiated();
            }
        }
 
        /// 
        ///     Allows adjustment to the event source 
        ///  
        /// 
        ///     Subclasses must override this method 
        ///     to be able to adjust the source during
        ///     route invocation 
        ///
        ///     NOTE: Expected to return null when no 
        ///     change is made to source
        ///  
        ///  
        ///     Routed Event Args
        ///  
        /// 
        ///     Returns new source
        /// 
        internal virtual object AdjustEventSource(RoutedEventArgs args) 
        {
            return null; 
        } 

        ///  
        ///     See overloaded method for details
        /// 
        /// 
        ///     handledEventsToo defaults to false  
        ///     See overloaded method for details
        ///  
        ///  
        /// 
        public void AddHandler(RoutedEvent routedEvent, Delegate handler) 
        {
            // HandledEventToo defaults to false
            // Call forwarded
            AddHandler(routedEvent, handler, false); 
        }
 
        ///  
        ///     Adds a routed event handler for the particular
        ///      
        /// 
        /// 
        ///     The handler added thus is also known as
        ///     an instance handler  
        ///     
        /// 
        ///     NOTE: It is not an error to add a handler twice 
        ///     (handler will simply be called twice) 
        ///      
        ///
        ///     Input parameters 
        ///     and handler cannot be null 
        ///     handledEventsToo input parameter when false means 
        ///     that listener does not care about already handled events.
        ///     Hence the handler will not be invoked on the target if 
        ///     the RoutedEvent has already been 
        ///      
        ///     handledEventsToo input parameter when true means 
        ///     that the listener wants to hear about all events even if
        ///     they have already been handled. Hence the handler will
        ///     be invoked irrespective of the event being
        ///      
        /// 
        ///  
        ///      for which the handler 
        ///     is attached
        ///  
        /// 
        ///     The handler that will be invoked on this object
        ///     when the RoutedEvent is raised
        ///  
        /// 
        ///     Flag indicating whether or not the listener wants to 
        ///     hear about events that have already been handled 
        /// 
        public void AddHandler( 
            RoutedEvent routedEvent,
            Delegate handler,
            bool handledEventsToo)
        { 
            // VerifyAccess();
 
            if (routedEvent == null) 
            {
                throw new ArgumentNullException("routedEvent"); 
            }

            if (handler == null)
            { 
                throw new ArgumentNullException("handler");
            } 
 
            if (!routedEvent.IsLegalHandler(handler))
            { 
                throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
            }

            EnsureEventHandlersStore(); 
            EventHandlersStore.AddRoutedEventHandler(routedEvent, handler, handledEventsToo);
 
            OnAddHandler (routedEvent, handler); 
        }
 
        /// 
        ///     Notifies subclass of a new routed event handler.  Note that this is
        ///     called once for each handler added, but OnRemoveHandler is only called
        ///     on the last removal. 
        /// 
        internal virtual void OnAddHandler( 
            RoutedEvent routedEvent, 
            Delegate handler)
        { 
        }

        /// 
        ///     Removes all instances of the specified routed 
        ///     event handler for this object instance
        ///  
        ///  
        ///     The handler removed thus is also known as
        ///     an instance handler  
        ///     
        ///
        ///     NOTE: This method does nothing if there were
        ///     no handlers registered with the matching 
        ///     criteria 
        ///      
        /// 
        ///     Input parameters 
        ///     and handler cannot be null  
        ///     This method ignores the handledEventsToo criterion
        /// 
        /// 
        ///      for which the handler 
        ///     is attached
        ///  
        ///  
        ///     The handler for this object instance to be removed
        ///  
        public void RemoveHandler(RoutedEvent routedEvent, Delegate handler)
        {
            // VerifyAccess();
 
            if (routedEvent == null)
            { 
                throw new ArgumentNullException("routedEvent"); 
            }
 
            if (handler == null)
            {
                throw new ArgumentNullException("handler");
            } 

            if (!routedEvent.IsLegalHandler(handler)) 
            { 
                throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
            } 

            EventHandlersStore store = EventHandlersStore;
            if (store != null)
            { 
                store.RemoveRoutedEventHandler(routedEvent, handler);
 
                OnRemoveHandler (routedEvent, handler); 

                if (store.Count == 0) 
                {
                    // last event handler was removed -- throw away underlying EventHandlersStore
                    EventHandlersStoreField.ClearValue(this);
                    WriteFlag(CoreFlags.ExistsEventHandlersStore, false); 
                }
 
            } 
        }
 
        /// 
        ///     Notifies subclass of an event for which a handler has been removed.
        /// 
        internal virtual void OnRemoveHandler( 
            RoutedEvent routedEvent,
            Delegate handler) 
        { 
        }
 
        private void EventHandlersStoreAdd(EventPrivateKey key, Delegate handler)
        {
            EnsureEventHandlersStore();
            EventHandlersStore.Add(key, handler); 
        }
 
        private void EventHandlersStoreRemove(EventPrivateKey key, Delegate handler) 
        {
            EventHandlersStore store = EventHandlersStore; 
            if (store != null)
            {
                store.Remove(key, handler);
                if (store.Count == 0) 
                {
                    // last event handler was removed -- throw away underlying EventHandlersStore 
                    EventHandlersStoreField.ClearValue(this); 
                    WriteFlag(CoreFlags.ExistsEventHandlersStore, false);
                } 
            }
        }

        ///  
        ///     Add the event handlers for this element to the route.
        ///  
        public void AddToEventRoute(EventRoute route, RoutedEventArgs e) 
        {
            if (route == null) 
            {
                throw new ArgumentNullException("route");
            }
            if (e == null) 
            {
                throw new ArgumentNullException("e"); 
            } 

            // Get class listeners for this ContentElement 
            RoutedEventHandlerInfoList classListeners =
                GlobalEventManager.GetDTypedClassListeners(this.DependencyObjectType, e.RoutedEvent);

            // Add all class listeners for this ContentElement 
            while (classListeners != null)
            { 
                for(int i = 0; i < classListeners.Handlers.Length; i++) 
                {
                    route.Add(this, classListeners.Handlers[i].Handler, classListeners.Handlers[i].InvokeHandledEventsToo); 
                }

                classListeners = classListeners.Next;
            } 

            // Get instance listeners for this ContentElement 
            FrugalObjectList instanceListeners = null; 
            EventHandlersStore store = EventHandlersStore;
            if (store != null) 
            {
                instanceListeners = store[e.RoutedEvent];

                // Add all instance listeners for this ContentElement 
                if (instanceListeners != null)
                { 
                    for (int i = 0; i < instanceListeners.Count; i++) 
                    {
                        route.Add(this, instanceListeners[i].Handler, instanceListeners[i].InvokeHandledEventsToo); 
                    }
                }
            }
 
            // Allow Framework to add event handlers in styles
            AddToEventRouteCore(route, e); 
        } 

        ///  
        ///     This virtual method is to be overridden in Framework
        ///     to be able to add handlers for styles
        /// 
        internal virtual void AddToEventRouteCore(EventRoute route, RoutedEventArgs args) 
        {
        } 
 
        /// 
        ///     Event Handlers Store 
        /// 
        /// 
        ///     The idea of exposing this property is to allow
        ///     elements in the Framework to generically use 
        ///     EventHandlersStore for Clr events as well.
        ///  
        internal EventHandlersStore EventHandlersStore 
        {
            [FriendAccessAllowed] // Built into Core, also used by Framework. 
            get
            {
                if(!ReadFlag(CoreFlags.ExistsEventHandlersStore))
                { 
                    return null;
                } 
                return EventHandlersStoreField.GetValue(this); 
            }
        } 

        /// 
        ///     Ensures that EventHandlersStore will return
        ///     non-null when it is called. 
        /// 
        [FriendAccessAllowed] // Built into Core, also used by Framework. 
        internal void EnsureEventHandlersStore() 
        {
            if (EventHandlersStore == null) 
            {
                EventHandlersStoreField.SetValue(this, new EventHandlersStore());
                WriteFlag(CoreFlags.ExistsEventHandlersStore, true);
            } 
        }
 
        #endregion Events 

 

        private static void RegisterProperties()
        {
            UIElement.IsMouseDirectlyOverPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsMouseDirectlyOver_Changed)));
 
            UIElement.IsMouseOverPropertyKey.OverrideMetadata(
                                _typeofThis,
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsStylusOverPropertyKey.OverrideMetadata( 
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsKeyboardFocusWithinPropertyKey.OverrideMetadata(
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox));
 
            UIElement.IsMouseCapturedPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsMouseCaptured_Changed)));

            UIElement.IsMouseCaptureWithinPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsStylusDirectlyOverPropertyKey.OverrideMetadata( 
                                _typeofThis,
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsStylusDirectlyOver_Changed))); 

            UIElement.IsStylusCapturedPropertyKey.OverrideMetadata( 
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsStylusCaptured_Changed)));

            UIElement.IsStylusCaptureWithinPropertyKey.OverrideMetadata(
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 
 
            UIElement.IsKeyboardFocusedPropertyKey.OverrideMetadata(
                                _typeofThis, 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsKeyboardFocused_Changed)));
        } 

 
 
        /// 
        ///     Alias to the Mouse.PreviewMouseDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewMouseDownEvent = Mouse.PreviewMouseDownEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the mouse button was pressed
        ///  
        public event MouseButtonEventHandler PreviewMouseDown 
        {
            add { AddHandler(Mouse.PreviewMouseDownEvent, value, false); } 
            remove { RemoveHandler(Mouse.PreviewMouseDownEvent, value); }
        }

        ///  
        ///     Virtual method reporting the mouse button was pressed
        ///  
        protected internal virtual void OnPreviewMouseDown(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.MouseDownEvent.
        /// 
        public static readonly RoutedEvent MouseDownEvent = Mouse.MouseDownEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the mouse button was pressed 
        ///  
        public event MouseButtonEventHandler MouseDown
        { 
            add { AddHandler(Mouse.MouseDownEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseDownEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the mouse button was pressed 
        ///  
        protected internal virtual void OnMouseDown(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.PreviewMouseUpEvent.
        /// 
        public static readonly RoutedEvent PreviewMouseUpEvent = Mouse.PreviewMouseUpEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the mouse button was released 
        /// 
        public event MouseButtonEventHandler PreviewMouseUp 
        {
            add { AddHandler(Mouse.PreviewMouseUpEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseUpEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the mouse button was released 
        /// 
        protected internal virtual void OnPreviewMouseUp(MouseButtonEventArgs e) {} 

        /// 
        ///     Alias to the Mouse.MouseUpEvent.
        ///  
        public static readonly RoutedEvent MouseUpEvent = Mouse.MouseUpEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the mouse button was released
        ///  
        public event MouseButtonEventHandler MouseUp
        {
            add { AddHandler(Mouse.MouseUpEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseUpEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the mouse button was released
        ///  
        protected internal virtual void OnMouseUp(MouseButtonEventArgs e) {}

        /// 
        ///     Alias to the UIElement.PreviewMouseLeftButtonDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewMouseLeftButtonDownEvent = UIElement.PreviewMouseLeftButtonDownEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the left mouse button was pressed 
        /// 
        public event MouseButtonEventHandler PreviewMouseLeftButtonDown
        {
            add { AddHandler(UIElement.PreviewMouseLeftButtonDownEvent, value, false); } 
            remove { RemoveHandler(UIElement.PreviewMouseLeftButtonDownEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the left mouse button was pressed 
        /// 
        protected internal virtual void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e) {}

        ///  
        ///     Alias to the UIElement.MouseLeftButtonDownEvent.
        ///  
        public static readonly RoutedEvent MouseLeftButtonDownEvent = UIElement.MouseLeftButtonDownEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the left mouse button was pressed
        /// 
        public event MouseButtonEventHandler MouseLeftButtonDown
        { 
            add { AddHandler(UIElement.MouseLeftButtonDownEvent, value, false); }
            remove { RemoveHandler(UIElement.MouseLeftButtonDownEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the left mouse button was pressed
        /// 
        protected internal virtual void OnMouseLeftButtonDown(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the UIElement.PreviewMouseLeftButtonUpEvent. 
        ///  
        public static readonly RoutedEvent PreviewMouseLeftButtonUpEvent = UIElement.PreviewMouseLeftButtonUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the left mouse button was released
        /// 
        public event MouseButtonEventHandler PreviewMouseLeftButtonUp 
        {
            add { AddHandler(UIElement.PreviewMouseLeftButtonUpEvent, value, false); } 
            remove { RemoveHandler(UIElement.PreviewMouseLeftButtonUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the left mouse button was released
        /// 
        protected internal virtual void OnPreviewMouseLeftButtonUp(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the UIElement.MouseLeftButtonUpEvent. 
        /// 
        public static readonly RoutedEvent MouseLeftButtonUpEvent = UIElement.MouseLeftButtonUpEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the left mouse button was released
        ///  
        public event MouseButtonEventHandler MouseLeftButtonUp
        { 
            add { AddHandler(UIElement.MouseLeftButtonUpEvent, value, false); } 
            remove { RemoveHandler(UIElement.MouseLeftButtonUpEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the left mouse button was released
        ///  
        protected internal virtual void OnMouseLeftButtonUp(MouseButtonEventArgs e) {}
 
        ///  
        ///     Alias to the UIElement.PreviewMouseRightButtonDownEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseRightButtonDownEvent = UIElement.PreviewMouseRightButtonDownEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the right mouse button was pressed 
        /// 
        public event MouseButtonEventHandler PreviewMouseRightButtonDown 
        { 
            add { AddHandler(UIElement.PreviewMouseRightButtonDownEvent, value, false); }
            remove { RemoveHandler(UIElement.PreviewMouseRightButtonDownEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the right mouse button was pressed 
        /// 
        protected internal virtual void OnPreviewMouseRightButtonDown(MouseButtonEventArgs e) {} 
 
        /// 
        ///     Alias to the UIElement.MouseRightButtonDownEvent. 
        /// 
        public static readonly RoutedEvent MouseRightButtonDownEvent = UIElement.MouseRightButtonDownEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the right mouse button was pressed
        ///  
        public event MouseButtonEventHandler MouseRightButtonDown 
        {
            add { AddHandler(UIElement.MouseRightButtonDownEvent, value, false); } 
            remove { RemoveHandler(UIElement.MouseRightButtonDownEvent, value); }
        }

        ///  
        ///     Virtual method reporting the right mouse button was pressed
        ///  
        protected internal virtual void OnMouseRightButtonDown(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the UIElement.PreviewMouseRightButtonUpEvent.
        /// 
        public static readonly RoutedEvent PreviewMouseRightButtonUpEvent = UIElement.PreviewMouseRightButtonUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the right mouse button was released 
        ///  
        public event MouseButtonEventHandler PreviewMouseRightButtonUp
        { 
            add { AddHandler(UIElement.PreviewMouseRightButtonUpEvent, value, false); }
            remove { RemoveHandler(UIElement.PreviewMouseRightButtonUpEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the right mouse button was released 
        ///  
        protected internal virtual void OnPreviewMouseRightButtonUp(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the UIElement.MouseRightButtonUpEvent.
        /// 
        public static readonly RoutedEvent MouseRightButtonUpEvent = UIElement.MouseRightButtonUpEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the right mouse button was released 
        /// 
        public event MouseButtonEventHandler MouseRightButtonUp 
        {
            add { AddHandler(UIElement.MouseRightButtonUpEvent, value, false); }
            remove { RemoveHandler(UIElement.MouseRightButtonUpEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the right mouse button was released 
        /// 
        protected internal virtual void OnMouseRightButtonUp(MouseButtonEventArgs e) {} 

        /// 
        ///     Alias to the Mouse.PreviewMouseMoveEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseMoveEvent = Mouse.PreviewMouseMoveEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting a mouse move
        ///  
        public event MouseEventHandler PreviewMouseMove
        {
            add { AddHandler(Mouse.PreviewMouseMoveEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseMoveEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting a mouse move
        ///  
        protected internal virtual void OnPreviewMouseMove(MouseEventArgs e) {}

        /// 
        ///     Alias to the Mouse.MouseMoveEvent. 
        /// 
        public static readonly RoutedEvent MouseMoveEvent = Mouse.MouseMoveEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting a mouse move 
        /// 
        public event MouseEventHandler MouseMove
        {
            add { AddHandler(Mouse.MouseMoveEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseMoveEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting a mouse move 
        /// 
        protected internal virtual void OnMouseMove(MouseEventArgs e) {}

        ///  
        ///     Alias to the Mouse.PreviewMouseWheelEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseWheelEvent = Mouse.PreviewMouseWheelEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting a mouse wheel rotation
        /// 
        public event MouseWheelEventHandler PreviewMouseWheel
        { 
            add { AddHandler(Mouse.PreviewMouseWheelEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseWheelEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting a mouse wheel rotation
        /// 
        protected internal virtual void OnPreviewMouseWheel(MouseWheelEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.MouseWheelEvent. 
        ///  
        public static readonly RoutedEvent MouseWheelEvent = Mouse.MouseWheelEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a mouse wheel rotation
        /// 
        public event MouseWheelEventHandler MouseWheel 
        {
            add { AddHandler(Mouse.MouseWheelEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseWheelEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting a mouse wheel rotation
        /// 
        protected internal virtual void OnMouseWheel(MouseWheelEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.MouseEnterEvent. 
        /// 
        public static readonly RoutedEvent MouseEnterEvent = Mouse.MouseEnterEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the mouse entered this element
        ///  
        public event MouseEventHandler MouseEnter
        { 
            add { AddHandler(Mouse.MouseEnterEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseEnterEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the mouse entered this element
        ///  
        protected internal virtual void OnMouseEnter(MouseEventArgs e) {}
 
        ///  
        ///     Alias to the Mouse.MouseLeaveEvent.
        ///  
        public static readonly RoutedEvent MouseLeaveEvent = Mouse.MouseLeaveEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the mouse left this element 
        /// 
        public event MouseEventHandler MouseLeave 
        { 
            add { AddHandler(Mouse.MouseLeaveEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseLeaveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the mouse left this element 
        /// 
        protected internal virtual void OnMouseLeave(MouseEventArgs e) {} 
 
        /// 
        ///     Alias to the Mouse.GotMouseCaptureEvent. 
        /// 
        public static readonly RoutedEvent GotMouseCaptureEvent = Mouse.GotMouseCaptureEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting that this element got the mouse capture
        ///  
        public event MouseEventHandler GotMouseCapture 
        {
            add { AddHandler(Mouse.GotMouseCaptureEvent, value, false); } 
            remove { RemoveHandler(Mouse.GotMouseCaptureEvent, value); }
        }

        ///  
        ///     Virtual method reporting that this element got the mouse capture
        ///  
        protected internal virtual void OnGotMouseCapture(MouseEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.LostMouseCaptureEvent.
        /// 
        public static readonly RoutedEvent LostMouseCaptureEvent = Mouse.LostMouseCaptureEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting that this element lost the mouse capture 
        ///  
        public event MouseEventHandler LostMouseCapture
        { 
            add { AddHandler(Mouse.LostMouseCaptureEvent, value, false); }
            remove { RemoveHandler(Mouse.LostMouseCaptureEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting that this element lost the mouse capture 
        ///  
        protected internal virtual void OnLostMouseCapture(MouseEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.QueryCursorEvent.
        /// 
        public static readonly RoutedEvent QueryCursorEvent = Mouse.QueryCursorEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the cursor to display was requested 
        /// 
        public event QueryCursorEventHandler QueryCursor 
        {
            add { AddHandler(Mouse.QueryCursorEvent, value, false); }
            remove { RemoveHandler(Mouse.QueryCursorEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the cursor to display was requested 
        /// 
        protected internal virtual void OnQueryCursor(QueryCursorEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.PreviewStylusDownEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusDownEvent = Stylus.PreviewStylusDownEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting a stylus-down
        ///  
        public event StylusDownEventHandler PreviewStylusDown
        {
            add { AddHandler(Stylus.PreviewStylusDownEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusDownEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting a stylus-down
        ///  
        protected internal virtual void OnPreviewStylusDown(StylusDownEventArgs e) {}

        /// 
        ///     Alias to the Stylus.StylusDownEvent. 
        /// 
        public static readonly RoutedEvent StylusDownEvent = Stylus.StylusDownEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting a stylus-down 
        /// 
        public event StylusDownEventHandler StylusDown
        {
            add { AddHandler(Stylus.StylusDownEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusDownEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting a stylus-down 
        /// 
        protected internal virtual void OnStylusDown(StylusDownEventArgs e) {}

        ///  
        ///     Alias to the Stylus.PreviewStylusUpEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusUpEvent = Stylus.PreviewStylusUpEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting a stylus-up
        /// 
        public event StylusEventHandler PreviewStylusUp
        { 
            add { AddHandler(Stylus.PreviewStylusUpEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusUpEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting a stylus-up
        /// 
        protected internal virtual void OnPreviewStylusUp(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.StylusUpEvent. 
        ///  
        public static readonly RoutedEvent StylusUpEvent = Stylus.StylusUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a stylus-up
        /// 
        public event StylusEventHandler StylusUp 
        {
            add { AddHandler(Stylus.StylusUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting a stylus-up
        /// 
        protected internal virtual void OnStylusUp(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.PreviewStylusMoveEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusMoveEvent = Stylus.PreviewStylusMoveEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting a stylus move
        ///  
        public event StylusEventHandler PreviewStylusMove
        { 
            add { AddHandler(Stylus.PreviewStylusMoveEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusMoveEvent, value); }
        } 

        /// 
        ///     Virtual method reporting a stylus move
        ///  
        protected internal virtual void OnPreviewStylusMove(StylusEventArgs e) {}
 
        ///  
        ///     Alias to the Stylus.StylusMoveEvent.
        ///  
        public static readonly RoutedEvent StylusMoveEvent = Stylus.StylusMoveEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting a stylus move 
        /// 
        public event StylusEventHandler StylusMove 
        { 
            add { AddHandler(Stylus.StylusMoveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusMoveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a stylus move 
        /// 
        protected internal virtual void OnStylusMove(StylusEventArgs e) {} 
 
        /// 
        ///     Alias to the Stylus.PreviewStylusInAirMoveEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusInAirMoveEvent = Stylus.PreviewStylusInAirMoveEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting a stylus-in-air-move
        ///  
        public event StylusEventHandler PreviewStylusInAirMove 
        {
            add { AddHandler(Stylus.PreviewStylusInAirMoveEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusInAirMoveEvent, value); }
        }

        ///  
        ///     Virtual method reporting a stylus-in-air-move
        ///  
        protected internal virtual void OnPreviewStylusInAirMove(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.StylusInAirMoveEvent.
        /// 
        public static readonly RoutedEvent StylusInAirMoveEvent = Stylus.StylusInAirMoveEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a stylus-in-air-move 
        ///  
        public event StylusEventHandler StylusInAirMove
        { 
            add { AddHandler(Stylus.StylusInAirMoveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusInAirMoveEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting a stylus-in-air-move 
        ///  
        protected internal virtual void OnStylusInAirMove(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.StylusEnterEvent.
        /// 
        public static readonly RoutedEvent StylusEnterEvent = Stylus.StylusEnterEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the stylus entered this element 
        /// 
        public event StylusEventHandler StylusEnter 
        {
            add { AddHandler(Stylus.StylusEnterEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusEnterEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the stylus entered this element 
        /// 
        protected internal virtual void OnStylusEnter(StylusEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.StylusLeaveEvent.
        ///  
        public static readonly RoutedEvent StylusLeaveEvent = Stylus.StylusLeaveEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the stylus left this element
        ///  
        public event StylusEventHandler StylusLeave
        {
            add { AddHandler(Stylus.StylusLeaveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusLeaveEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the stylus left this element
        ///  
        protected internal virtual void OnStylusLeave(StylusEventArgs e) {}

        /// 
        ///     Alias to the Stylus.PreviewStylusInRangeEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusInRangeEvent = Stylus.PreviewStylusInRangeEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the stylus is now in range of the digitizer 
        /// 
        public event StylusEventHandler PreviewStylusInRange
        {
            add { AddHandler(Stylus.PreviewStylusInRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusInRangeEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the stylus is now in range of the digitizer 
        /// 
        protected internal virtual void OnPreviewStylusInRange(StylusEventArgs e) {}

        ///  
        ///     Alias to the Stylus.StylusInRangeEvent.
        ///  
        public static readonly RoutedEvent StylusInRangeEvent = Stylus.StylusInRangeEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the stylus is now in range of the digitizer
        /// 
        public event StylusEventHandler StylusInRange
        { 
            add { AddHandler(Stylus.StylusInRangeEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusInRangeEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the stylus is now in range of the digitizer
        /// 
        protected internal virtual void OnStylusInRange(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.PreviewStylusOutOfRangeEvent. 
        ///  
        public static readonly RoutedEvent PreviewStylusOutOfRangeEvent = Stylus.PreviewStylusOutOfRangeEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the stylus is now out of range of the digitizer
        /// 
        public event StylusEventHandler PreviewStylusOutOfRange 
        {
            add { AddHandler(Stylus.PreviewStylusOutOfRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusOutOfRangeEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the stylus is now out of range of the digitizer
        /// 
        protected internal virtual void OnPreviewStylusOutOfRange(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.StylusOutOfRangeEvent. 
        /// 
        public static readonly RoutedEvent StylusOutOfRangeEvent = Stylus.StylusOutOfRangeEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the stylus is now out of range of the digitizer
        ///  
        public event StylusEventHandler StylusOutOfRange
        { 
            add { AddHandler(Stylus.StylusOutOfRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusOutOfRangeEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the stylus is now out of range of the digitizer
        ///  
        protected internal virtual void OnStylusOutOfRange(StylusEventArgs e) {}
 
        ///  
        ///     Alias to the Stylus.PreviewStylusSystemGestureEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusSystemGestureEvent = Stylus.PreviewStylusSystemGestureEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting a stylus system gesture 
        /// 
        public event StylusSystemGestureEventHandler PreviewStylusSystemGesture 
        { 
            add { AddHandler(Stylus.PreviewStylusSystemGestureEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusSystemGestureEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a stylus system gesture 
        /// 
        protected internal virtual void OnPreviewStylusSystemGesture(StylusSystemGestureEventArgs e) {} 
 
        /// 
        ///     Alias to the Stylus.StylusSystemGestureEvent. 
        /// 
        public static readonly RoutedEvent StylusSystemGestureEvent = Stylus.StylusSystemGestureEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting a stylus system gesture
        ///  
        public event StylusSystemGestureEventHandler StylusSystemGesture 
        {
            add { AddHandler(Stylus.StylusSystemGestureEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusSystemGestureEvent, value); }
        }

        ///  
        ///     Virtual method reporting a stylus system gesture
        ///  
        protected internal virtual void OnStylusSystemGesture(StylusSystemGestureEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.GotStylusCaptureEvent.
        /// 
        public static readonly RoutedEvent GotStylusCaptureEvent = Stylus.GotStylusCaptureEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting that this element got the stylus capture 
        ///  
        public event StylusEventHandler GotStylusCapture
        { 
            add { AddHandler(Stylus.GotStylusCaptureEvent, value, false); }
            remove { RemoveHandler(Stylus.GotStylusCaptureEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting that this element got the stylus capture 
        ///  
        protected internal virtual void OnGotStylusCapture(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.LostStylusCaptureEvent.
        /// 
        public static readonly RoutedEvent LostStylusCaptureEvent = Stylus.LostStylusCaptureEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting that this element lost the stylus capture 
        /// 
        public event StylusEventHandler LostStylusCapture 
        {
            add { AddHandler(Stylus.LostStylusCaptureEvent, value, false); }
            remove { RemoveHandler(Stylus.LostStylusCaptureEvent, value); }
        } 

        ///  
        ///     Virtual method reporting that this element lost the stylus capture 
        /// 
        protected internal virtual void OnLostStylusCapture(StylusEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.StylusButtonDownEvent.
        ///  
        public static readonly RoutedEvent StylusButtonDownEvent = Stylus.StylusButtonDownEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the stylus button is down
        ///  
        public event StylusButtonEventHandler StylusButtonDown
        {
            add { AddHandler(Stylus.StylusButtonDownEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusButtonDownEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the stylus button is down
        ///  
        protected internal virtual void OnStylusButtonDown(StylusButtonEventArgs e) {}

        /// 
        ///     Alias to the Stylus.StylusButtonUpEvent. 
        /// 
        public static readonly RoutedEvent StylusButtonUpEvent = Stylus.StylusButtonUpEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the stylus button is up 
        /// 
        public event StylusButtonEventHandler StylusButtonUp
        {
            add { AddHandler(Stylus.StylusButtonUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusButtonUpEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the stylus button is up 
        /// 
        protected internal virtual void OnStylusButtonUp(StylusButtonEventArgs e) {}

        ///  
        ///     Alias to the Stylus.PreviewStylusButtonDownEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusButtonDownEvent = Stylus.PreviewStylusButtonDownEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the stylus button is down
        /// 
        public event StylusButtonEventHandler PreviewStylusButtonDown
        { 
            add { AddHandler(Stylus.PreviewStylusButtonDownEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusButtonDownEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the stylus button is down
        /// 
        protected internal virtual void OnPreviewStylusButtonDown(StylusButtonEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.PreviewStylusButtonUpEvent. 
        ///  
        public static readonly RoutedEvent PreviewStylusButtonUpEvent = Stylus.PreviewStylusButtonUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the stylus button is up
        /// 
        public event StylusButtonEventHandler PreviewStylusButtonUp 
        {
            add { AddHandler(Stylus.PreviewStylusButtonUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusButtonUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the stylus button is up
        /// 
        protected internal virtual void OnPreviewStylusButtonUp(StylusButtonEventArgs e) {} 

        ///  
        ///     Alias to the Keyboard.PreviewKeyDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewKeyDownEvent = Keyboard.PreviewKeyDownEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting a key was pressed
        ///  
        public event KeyEventHandler PreviewKeyDown
        { 
            add { AddHandler(Keyboard.PreviewKeyDownEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewKeyDownEvent, value); }
        } 

        /// 
        ///     Virtual method reporting a key was pressed
        ///  
        protected internal virtual void OnPreviewKeyDown(KeyEventArgs e) {}
 
        ///  
        ///     Alias to the Keyboard.KeyDownEvent.
        ///  
        public static readonly RoutedEvent KeyDownEvent = Keyboard.KeyDownEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting a key was pressed 
        /// 
        public event KeyEventHandler KeyDown 
        { 
            add { AddHandler(Keyboard.KeyDownEvent, value, false); }
            remove { RemoveHandler(Keyboard.KeyDownEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a key was pressed 
        /// 
        protected internal virtual void OnKeyDown(KeyEventArgs e) {} 
 
        /// 
        ///     Alias to the Keyboard.PreviewKeyUpEvent. 
        /// 
        public static readonly RoutedEvent PreviewKeyUpEvent = Keyboard.PreviewKeyUpEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting a key was released
        ///  
        public event KeyEventHandler PreviewKeyUp 
        {
            add { AddHandler(Keyboard.PreviewKeyUpEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewKeyUpEvent, value); }
        }

        ///  
        ///     Virtual method reporting a key was released
        ///  
        protected internal virtual void OnPreviewKeyUp(KeyEventArgs e) {} 

        ///  
        ///     Alias to the Keyboard.KeyUpEvent.
        /// 
        public static readonly RoutedEvent KeyUpEvent = Keyboard.KeyUpEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting a key was released 
        ///  
        public event KeyEventHandler KeyUp
        { 
            add { AddHandler(Keyboard.KeyUpEvent, value, false); }
            remove { RemoveHandler(Keyboard.KeyUpEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting a key was released 
        ///  
        protected internal virtual void OnKeyUp(KeyEventArgs e) {}
 
        /// 
        ///     Alias to the Keyboard.PreviewGotKeyboardFocusEvent.
        /// 
        public static readonly RoutedEvent PreviewGotKeyboardFocusEvent = Keyboard.PreviewGotKeyboardFocusEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting that the keyboard is focused on this element 
        /// 
        public event KeyboardFocusChangedEventHandler PreviewGotKeyboardFocus 
        {
            add { AddHandler(Keyboard.PreviewGotKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.PreviewGotKeyboardFocusEvent, value); }
        } 

        ///  
        ///     Virtual method reporting that the keyboard is focused on this element 
        /// 
        protected internal virtual void OnPreviewGotKeyboardFocus(KeyboardFocusChangedEventArgs e) {} 

        /// 
        ///     Alias to the Keyboard.GotKeyboardFocusEvent.
        ///  
        public static readonly RoutedEvent GotKeyboardFocusEvent = Keyboard.GotKeyboardFocusEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting that the keyboard is focused on this element
        ///  
        public event KeyboardFocusChangedEventHandler GotKeyboardFocus
        {
            add { AddHandler(Keyboard.GotKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.GotKeyboardFocusEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting that the keyboard is focused on this element
        ///  
        protected internal virtual void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e) {}

        /// 
        ///     Alias to the Keyboard.PreviewLostKeyboardFocusEvent. 
        /// 
        public static readonly RoutedEvent PreviewLostKeyboardFocusEvent = Keyboard.PreviewLostKeyboardFocusEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting that the keyboard is no longer focusekeyboard is no longer focuseed 
        /// 
        public event KeyboardFocusChangedEventHandler PreviewLostKeyboardFocus
        {
            add { AddHandler(Keyboard.PreviewLostKeyboardFocusEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewLostKeyboardFocusEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting that the keyboard is no longer focusekeyboard is no longer focuseed 
        /// 
        protected internal virtual void OnPreviewLostKeyboardFocus(KeyboardFocusChangedEventArgs e) {}

        ///  
        ///     Alias to the Keyboard.LostKeyboardFocusEvent.
        ///  
        public static readonly RoutedEvent LostKeyboardFocusEvent = Keyboard.LostKeyboardFocusEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting that the keyboard is no longer focusekeyboard is no longer focuseed
        /// 
        public event KeyboardFocusChangedEventHandler LostKeyboardFocus
        { 
            add { AddHandler(Keyboard.LostKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.LostKeyboardFocusEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting that the keyboard is no longer focusekeyboard is no longer focuseed
        /// 
        protected internal virtual void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e) {}
 
        /// 
        ///     Alias to the TextCompositionManager.PreviewTextInputEvent. 
        ///  
        public static readonly RoutedEvent PreviewTextInputEvent = TextCompositionManager.PreviewTextInputEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting text composition
        /// 
        public event TextCompositionEventHandler PreviewTextInput 
        {
            add { AddHandler(TextCompositionManager.PreviewTextInputEvent, value, false); } 
            remove { RemoveHandler(TextCompositionManager.PreviewTextInputEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting text composition
        /// 
        protected internal virtual void OnPreviewTextInput(TextCompositionEventArgs e) {} 

        ///  
        ///     Alias to the TextCompositionManager.TextInputEvent. 
        /// 
        public static readonly RoutedEvent TextInputEvent = TextCompositionManager.TextInputEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting text composition
        ///  
        public event TextCompositionEventHandler TextInput
        { 
            add { AddHandler(TextCompositionManager.TextInputEvent, value, false); } 
            remove { RemoveHandler(TextCompositionManager.TextInputEvent, value); }
        } 

        /// 
        ///     Virtual method reporting text composition
        ///  
        protected internal virtual void OnTextInput(TextCompositionEventArgs e) {}
 
        ///  
        ///     Alias to the DragDrop.PreviewQueryContinueDragEvent.
        ///  
        public static readonly RoutedEvent PreviewQueryContinueDragEvent = DragDrop.PreviewQueryContinueDragEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the preview query continue drag is going to happen 
        /// 
        public event QueryContinueDragEventHandler PreviewQueryContinueDrag 
        { 
            add { AddHandler(DragDrop.PreviewQueryContinueDragEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewQueryContinueDragEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the preview query continue drag is going to happen 
        /// 
        protected internal virtual void OnPreviewQueryContinueDrag(QueryContinueDragEventArgs e) {} 
 
        /// 
        ///     Alias to the DragDrop.QueryContinueDragEvent. 
        /// 
        public static readonly RoutedEvent QueryContinueDragEvent = DragDrop.QueryContinueDragEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the query continue drag is going to happen
        ///  
        public event QueryContinueDragEventHandler QueryContinueDrag 
        {
            add { AddHandler(DragDrop.QueryContinueDragEvent, value, false); } 
            remove { RemoveHandler(DragDrop.QueryContinueDragEvent, value); }
        }

        ///  
        ///     Virtual method reporting the query continue drag is going to happen
        ///  
        protected internal virtual void OnQueryContinueDrag(QueryContinueDragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.PreviewGiveFeedbackEvent.
        /// 
        public static readonly RoutedEvent PreviewGiveFeedbackEvent = DragDrop.PreviewGiveFeedbackEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the preview give feedback is going to happen 
        ///  
        public event GiveFeedbackEventHandler PreviewGiveFeedback
        { 
            add { AddHandler(DragDrop.PreviewGiveFeedbackEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewGiveFeedbackEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the preview give feedback is going to happen 
        ///  
        protected internal virtual void OnPreviewGiveFeedback(GiveFeedbackEventArgs e) {}
 
        /// 
        ///     Alias to the DragDrop.GiveFeedbackEvent.
        /// 
        public static readonly RoutedEvent GiveFeedbackEvent = DragDrop.GiveFeedbackEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the give feedback is going to happen 
        /// 
        public event GiveFeedbackEventHandler GiveFeedback 
        {
            add { AddHandler(DragDrop.GiveFeedbackEvent, value, false); }
            remove { RemoveHandler(DragDrop.GiveFeedbackEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the give feedback is going to happen 
        /// 
        protected internal virtual void OnGiveFeedback(GiveFeedbackEventArgs e) {} 

        /// 
        ///     Alias to the DragDrop.PreviewDragEnterEvent.
        ///  
        public static readonly RoutedEvent PreviewDragEnterEvent = DragDrop.PreviewDragEnterEvent.AddOwner(_typeofThis);
 
        ///  
        ///     Event reporting the preview drag enter is going to happen
        ///  
        public event DragEventHandler PreviewDragEnter
        {
            add { AddHandler(DragDrop.PreviewDragEnterEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewDragEnterEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the preview drag enter is going to happen
        ///  
        protected internal virtual void OnPreviewDragEnter(DragEventArgs e) {}

        /// 
        ///     Alias to the DragDrop.DragEnterEvent. 
        /// 
        public static readonly RoutedEvent DragEnterEvent = DragDrop.DragEnterEvent.AddOwner(_typeofThis); 
 
        /// 
        ///     Event reporting the drag enter is going to happen 
        /// 
        public event DragEventHandler DragEnter
        {
            add { AddHandler(DragDrop.DragEnterEvent, value, false); } 
            remove { RemoveHandler(DragDrop.DragEnterEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the drag enter is going to happen 
        /// 
        protected internal virtual void OnDragEnter(DragEventArgs e) {}

        ///  
        ///     Alias to the DragDrop.PreviewDragOverEvent.
        ///  
        public static readonly RoutedEvent PreviewDragOverEvent = DragDrop.PreviewDragOverEvent.AddOwner(_typeofThis); 

        ///  
        ///     Event reporting the preview drag over is going to happen
        /// 
        public event DragEventHandler PreviewDragOver
        { 
            add { AddHandler(DragDrop.PreviewDragOverEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewDragOverEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the preview drag over is going to happen
        /// 
        protected internal virtual void OnPreviewDragOver(DragEventArgs e) {}
 
        /// 
        ///     Alias to the DragDrop.DragOverEvent. 
        ///  
        public static readonly RoutedEvent DragOverEvent = DragDrop.DragOverEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the drag over is going to happen
        /// 
        public event DragEventHandler DragOver 
        {
            add { AddHandler(DragDrop.DragOverEvent, value, false); } 
            remove { RemoveHandler(DragDrop.DragOverEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the drag over is going to happen
        /// 
        protected internal virtual void OnDragOver(DragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.PreviewDragLeaveEvent. 
        /// 
        public static readonly RoutedEvent PreviewDragLeaveEvent = DragDrop.PreviewDragLeaveEvent.AddOwner(_typeofThis); 

        /// 
        ///     Event reporting the preview drag leave is going to happen
        ///  
        public event DragEventHandler PreviewDragLeave
        { 
            add { AddHandler(DragDrop.PreviewDragLeaveEvent, value, false); } 
            remove { RemoveHandler(DragDrop.PreviewDragLeaveEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the preview drag leave is going to happen
        ///  
        protected internal virtual void OnPreviewDragLeave(DragEventArgs e) {}
 
        ///  
        ///     Alias to the DragDrop.DragLeaveEvent.
        ///  
        public static readonly RoutedEvent DragLeaveEvent = DragDrop.DragLeaveEvent.AddOwner(_typeofThis);

        /// 
        ///     Event reporting the drag leave is going to happen 
        /// 
        public event DragEventHandler DragLeave 
        { 
            add { AddHandler(DragDrop.DragLeaveEvent, value, false); }
            remove { RemoveHandler(DragDrop.DragLeaveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the drag leave is going to happen 
        /// 
        protected internal virtual void OnDragLeave(DragEventArgs e) {} 
 
        /// 
        ///     Alias to the DragDrop.PreviewDropEvent. 
        /// 
        public static readonly RoutedEvent PreviewDropEvent = DragDrop.PreviewDropEvent.AddOwner(_typeofThis);

        ///  
        ///     Event reporting the preview drop is going to happen
        ///  
        public event DragEventHandler PreviewDrop 
        {
            add { AddHandler(DragDrop.PreviewDropEvent, value, false); } 
            remove { RemoveHandler(DragDrop.PreviewDropEvent, value); }
        }

        ///  
        ///     Virtual method reporting the preview drop is going to happen
        ///  
        protected internal virtual void OnPreviewDrop(DragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.DropEvent.
        /// 
        public static readonly RoutedEvent DropEvent = DragDrop.DropEvent.AddOwner(_typeofThis);
 
        /// 
        ///     Event reporting the drag enter is going to happen 
        ///  
        public event DragEventHandler Drop
        { 
            add { AddHandler(DragDrop.DropEvent, value, false); }
            remove { RemoveHandler(DragDrop.DropEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the drag enter is going to happen 
        ///  
        protected internal virtual void OnDrop(DragEventArgs e) {}
 
        /// 
        ///     The dependency property for the IsMouseDirectlyOver property.
        /// 
        public static readonly DependencyProperty IsMouseDirectlyOverProperty = UIElement.IsMouseDirectlyOverProperty.AddOwner(_typeofThis); 

        private static void IsMouseDirectlyOver_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        { 
            ((ContentElement) d).RaiseIsMouseDirectlyOverChanged(e);
        } 

        /// 
        ///     An event reporting that the IsMouseDirectlyOver property changed.
        ///  
        public event DependencyPropertyChangedEventHandler IsMouseDirectlyOverChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsMouseDirectlyOverChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsMouseDirectlyOverChangedKey, value); }
        } 

        /// 
        ///     An event reporting that the IsMouseDirectlyOver property changed.
        ///  
        protected virtual void OnIsMouseDirectlyOverChanged(DependencyPropertyChangedEventArgs e)
        { 
        } 

        private void RaiseIsMouseDirectlyOverChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first.
            OnIsMouseDirectlyOverChanged(args);
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseDirectlyOverChangedKey, args); 
        } 

        ///  
        ///     The dependency property for the IsMouseOver property.
        /// 
        public static readonly DependencyProperty IsMouseOverProperty = UIElement.IsMouseOverProperty.AddOwner(_typeofThis);
 
        /// 
        ///     The dependency property for the IsStylusOver property. 
        ///  
        public static readonly DependencyProperty IsStylusOverProperty = UIElement.IsStylusOverProperty.AddOwner(_typeofThis);
 
        /// 
        ///     The dependency property for the IsKeyboardFocusWithin property.
        /// 
        public static readonly DependencyProperty IsKeyboardFocusWithinProperty = UIElement.IsKeyboardFocusWithinProperty.AddOwner(_typeofThis); 

        ///  
        ///     An event reporting that the IsKeyboardFocusWithin property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsKeyboardFocusWithinChanged 
        {
            add    { EventHandlersStoreAdd(UIElement.IsKeyboardFocusWithinChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsKeyboardFocusWithinChangedKey, value); }
        } 

        ///  
        ///     An event reporting that the IsKeyboardFocusWithin property changed. 
        /// 
        protected virtual void OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs e) 
        {
        }

        internal void RaiseIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsKeyboardFocusWithinChanged(args); 

            // Raise the public event second. 
            RaiseDependencyPropertyChanged(UIElement.IsKeyboardFocusWithinChangedKey, args);
        }

        ///  
        ///     The dependency property for the IsMouseCaptured property.
        ///  
        public static readonly DependencyProperty IsMouseCapturedProperty = UIElement.IsMouseCapturedProperty.AddOwner(_typeofThis); 

        private static void IsMouseCaptured_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        {
            ((ContentElement) d).RaiseIsMouseCapturedChanged(e);
        }
 
        /// 
        ///     An event reporting that the IsMouseCaptured property changed. 
        ///  
        public event DependencyPropertyChangedEventHandler IsMouseCapturedChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsMouseCapturedChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsMouseCapturedChangedKey, value); }
        }
 
        /// 
        ///     An event reporting that the IsMouseCaptured property changed. 
        ///  
        protected virtual void OnIsMouseCapturedChanged(DependencyPropertyChangedEventArgs e)
        { 
        }

        private void RaiseIsMouseCapturedChanged(DependencyPropertyChangedEventArgs args)
        { 
            // Call the virtual method first.
            OnIsMouseCapturedChanged(args); 
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseCapturedChangedKey, args); 
        }

        /// 
        ///     The dependency property for the IsMouseCaptureWithin property. 
        /// 
        public static readonly DependencyProperty IsMouseCaptureWithinProperty = UIElement.IsMouseCaptureWithinProperty.AddOwner(_typeofThis); 
 
        /// 
        ///     An event reporting that the IsMouseCaptureWithin property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsMouseCaptureWithinChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsMouseCaptureWithinChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsMouseCaptureWithinChangedKey, value); }
        } 
 
        /// 
        ///     An event reporting that the IsMouseCaptureWithin property changed. 
        /// 
        protected virtual void OnIsMouseCaptureWithinChanged(DependencyPropertyChangedEventArgs e)
        {
        } 

        internal void RaiseIsMouseCaptureWithinChanged(DependencyPropertyChangedEventArgs args) 
        { 
            // Call the virtual method first.
            OnIsMouseCaptureWithinChanged(args); 

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseCaptureWithinChangedKey, args);
        } 

        ///  
        ///     The dependency property for the IsStylusDirectlyOver property. 
        /// 
        public static readonly DependencyProperty IsStylusDirectlyOverProperty = UIElement.IsStylusDirectlyOverProperty.AddOwner(_typeofThis); 

        private static void IsStylusDirectlyOver_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ContentElement) d).RaiseIsStylusDirectlyOverChanged(e); 
        }
 
        ///  
        ///     An event reporting that the IsStylusDirectlyOver property changed.
        ///  
        public event DependencyPropertyChangedEventHandler IsStylusDirectlyOverChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsStylusDirectlyOverChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusDirectlyOverChangedKey, value); } 
        }
 
        ///  
        ///     An event reporting that the IsStylusDirectlyOver property changed.
        ///  
        protected virtual void OnIsStylusDirectlyOverChanged(DependencyPropertyChangedEventArgs e)
        {
        }
 
        private void RaiseIsStylusDirectlyOverChanged(DependencyPropertyChangedEventArgs args)
        { 
            // Call the virtual method first. 
            OnIsStylusDirectlyOverChanged(args);
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsStylusDirectlyOverChangedKey, args);
        }
 
        /// 
        ///     The dependency property for the IsStylusCaptured property. 
        ///  
        public static readonly DependencyProperty IsStylusCapturedProperty = UIElement.IsStylusCapturedProperty.AddOwner(_typeofThis);
 
        private static void IsStylusCaptured_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ContentElement) d).RaiseIsStylusCapturedChanged(e);
        } 

        ///  
        ///     An event reporting that the IsStylusCaptured property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsStylusCapturedChanged 
        {
            add    { EventHandlersStoreAdd(UIElement.IsStylusCapturedChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusCapturedChangedKey, value); }
        } 

        ///  
        ///     An event reporting that the IsStylusCaptured property changed. 
        /// 
        protected virtual void OnIsStylusCapturedChanged(DependencyPropertyChangedEventArgs e) 
        {
        }

        private void RaiseIsStylusCapturedChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsStylusCapturedChanged(args); 

            // Raise the public event second. 
            RaiseDependencyPropertyChanged(UIElement.IsStylusCapturedChangedKey, args);
        }

        ///  
        ///     The dependency property for the IsStylusCaptureWithin property.
        ///  
        public static readonly DependencyProperty IsStylusCaptureWithinProperty = UIElement.IsStylusCaptureWithinProperty.AddOwner(_typeofThis); 

        ///  
        ///     An event reporting that the IsStylusCaptureWithin property changed.
        /// 
        public event DependencyPropertyChangedEventHandler IsStylusCaptureWithinChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsStylusCaptureWithinChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusCaptureWithinChangedKey, value); } 
        } 

        ///  
        ///     An event reporting that the IsStylusCaptureWithin property changed.
        /// 
        protected virtual void OnIsStylusCaptureWithinChanged(DependencyPropertyChangedEventArgs e)
        { 
        }
 
        internal void RaiseIsStylusCaptureWithinChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsStylusCaptureWithinChanged(args);

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsStylusCaptureWithinChangedKey, args); 
        }
 
        ///  
        ///     The dependency property for the IsKeyboardFocused property.
        ///  
        public static readonly DependencyProperty IsKeyboardFocusedProperty = UIElement.IsKeyboardFocusedProperty.AddOwner(_typeofThis);

        private static void IsKeyboardFocused_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            ((ContentElement) d).RaiseIsKeyboardFocusedChanged(e);
        } 
 
        /// 
        ///     An event reporting that the IsKeyboardFocused property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsKeyboardFocusedChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsKeyboardFocusedChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsKeyboardFocusedChangedKey, value); }
        } 
 
        /// 
        ///     An event reporting that the IsKeyboardFocused property changed. 
        /// 
        protected virtual void OnIsKeyboardFocusedChanged(DependencyPropertyChangedEventArgs e)
        {
        } 

        private void RaiseIsKeyboardFocusedChanged(DependencyPropertyChangedEventArgs args) 
        { 
            // Call the virtual method first.
            OnIsKeyboardFocusedChanged(args); 

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsKeyboardFocusedChangedKey, args);
        } 

        internal bool ReadFlag(CoreFlags field) 
        { 
            return (_flags & field) != 0;
        } 

        internal void WriteFlag(CoreFlags field,bool value)
        {
            if (value) 
            {
                 _flags |= field; 
            } 
            else
            { 
                 _flags &= (~field);
            }
        }
 
        private CoreFlags       _flags;
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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