LinearGradientBrush.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Generated / LinearGradientBrush.cs / 1305600 / LinearGradientBrush.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.Collections;
using MS.Internal.PresentationCore; 
using MS.Utility; 
using System;
using System.Collections; 
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization; 
using System.Reflection;
using System.Runtime.InteropServices; 
using System.ComponentModel.Design.Serialization; 
using System.Text;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging; 
using System.Windows.Markup; 
using System.Windows.Media.Converters;
using System.Security; 
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
// These types are aliased to match the unamanaged names used in interop 
using BOOL = System.UInt32;
using WORD = System.UInt16; 
using Float = System.Single; 

namespace System.Windows.Media 
{


 
    sealed partial class LinearGradientBrush : GradientBrush
    { 
        //----------------------------------------------------- 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

        ///  
        ///     Shadows inherited Clone() with a strongly typed 
        ///     version for convenience.
        ///  
        public new LinearGradientBrush Clone()
        {
            return (LinearGradientBrush)base.Clone();
        } 

        ///  
        ///     Shadows inherited CloneCurrentValue() with a strongly typed 
        ///     version for convenience.
        ///  
        public new LinearGradientBrush CloneCurrentValue()
        {
            return (LinearGradientBrush)base.CloneCurrentValue();
        } 

 
 

        #endregion Public Methods 

        //------------------------------------------------------
        //
        //  Public Properties 
        //
        //----------------------------------------------------- 
 
        private static void StartPointPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            LinearGradientBrush target = ((LinearGradientBrush) d);


            target.PropertyChanged(StartPointProperty); 
        }
        private static void EndPointPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        { 
            LinearGradientBrush target = ((LinearGradientBrush) d);
 

            target.PropertyChanged(EndPointProperty);
        }
 

        #region Public Properties 
 
        /// 
        ///     StartPoint - Point.  Default value is new Point(0,0). 
        /// 
        public Point StartPoint
        {
            get 
            {
                return (Point) GetValue(StartPointProperty); 
            } 
            set
            { 
                SetValueInternal(StartPointProperty, value);
            }
        }
 
        /// 
        ///     EndPoint - Point.  Default value is new Point(1,1). 
        ///  
        public Point EndPoint
        { 
            get
            {
                return (Point) GetValue(EndPointProperty);
            } 
            set
            { 
                SetValueInternal(EndPointProperty, value); 
            }
        } 

        #endregion Public Properties

        //------------------------------------------------------ 
        //
        //  Protected Methods 
        // 
        //------------------------------------------------------
 
        #region Protected Methods

        /// 
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable. 
        protected override Freezable CreateInstanceCore() 
        {
            return new LinearGradientBrush(); 
        }


 
        #endregion ProtectedMethods
 
        //----------------------------------------------------- 
        //
        //  Internal Methods 
        //
        //------------------------------------------------------

        #region Internal Methods 

        ///  
        ///     Critical: This code calls into an unsafe code block 
        ///     TreatAsSafe: This code does not return any critical data.It is ok to expose
        ///     Channels are safe to call into and do not go cross domain and cross process 
        /// 
        [SecurityCritical,SecurityTreatAsSafe]
        internal override void UpdateResource(DUCE.Channel channel, bool skipOnChannelCheck)
        { 
            ManualUpdateResource(channel, skipOnChannelCheck);
            base.UpdateResource(channel, skipOnChannelCheck); 
        } 
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
        { 

                if (_duceResource.CreateOrAddRefOnChannel(this, channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_LINEARGRADIENTBRUSH))
                {
                    Transform vTransform = Transform; 
                    if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel);
                    Transform vRelativeTransform = RelativeTransform; 
                    if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).AddRefOnChannel(channel); 

                    AddRefOnChannelAnimations(channel); 


                    UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ );
                } 

                return _duceResource.GetHandle(channel); 
 
        }
        internal override void ReleaseOnChannelCore(DUCE.Channel channel) 
        {

                Debug.Assert(_duceResource.IsOnChannel(channel));
 
                if (_duceResource.ReleaseOnChannel(channel))
                { 
                    Transform vTransform = Transform; 
                    if (vTransform != null) ((DUCE.IResource)vTransform).ReleaseOnChannel(channel);
                    Transform vRelativeTransform = RelativeTransform; 
                    if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).ReleaseOnChannel(channel);

                    ReleaseOnChannelAnimations(channel);
 
                }
 
        } 
        internal override DUCE.ResourceHandle GetHandleCore(DUCE.Channel channel)
        { 
            // Note that we are in a lock here already.
            return _duceResource.GetHandle(channel);
        }
        internal override int GetChannelCountCore() 
        {
            // must already be in composition lock here 
            return _duceResource.GetChannelCount(); 
        }
        internal override DUCE.Channel GetChannelCore(int index) 
        {
            // Note that we are in a lock here already.
            return _duceResource.GetChannel(index);
        } 

 
        #endregion Internal Methods 

        //----------------------------------------------------- 
        //
        //  Internal Properties
        //
        //----------------------------------------------------- 

        #region Internal Properties 
 
        //
        //  This property finds the correct initial size for the _effectiveValues store on the 
        //  current DependencyObject as a performance optimization
        //
        //  This includes:
        //    GradientStops 
        //    StartPoint
        //    EndPoint 
        // 
        internal override int EffectiveValuesInitialSize
        { 
            get
            {
                return 3;
            } 
        }
 
 

        #endregion Internal Properties 

        //-----------------------------------------------------
        //
        //  Dependency Properties 
        //
        //------------------------------------------------------ 
 
        #region Dependency Properties
 
        /// 
        ///     The DependencyProperty for the LinearGradientBrush.StartPoint property.
        /// 
        public static readonly DependencyProperty StartPointProperty; 
        /// 
        ///     The DependencyProperty for the LinearGradientBrush.EndPoint property. 
        ///  
        public static readonly DependencyProperty EndPointProperty;
 
        #endregion Dependency Properties

        //-----------------------------------------------------
        // 
        //  Internal Fields
        // 
        //------------------------------------------------------ 

        #region Internal Fields 



        internal System.Windows.Media.Composition.DUCE.MultiChannelResource _duceResource = new System.Windows.Media.Composition.DUCE.MultiChannelResource(); 

        internal static Point s_StartPoint = new Point(0,0); 
        internal static Point s_EndPoint = new Point(1,1); 

        #endregion Internal Fields 



        #region Constructors 

        //------------------------------------------------------ 
        // 
        //  Constructors
        // 
        //-----------------------------------------------------

        static LinearGradientBrush()
        { 
            // We check our static default fields which are of type Freezable
            // to make sure that they are not mutable, otherwise we will throw 
            // if these get touched by more than one thread in the lifetime 
            // of your app.  (Windows OS Bug #947272)
            // 


            // Initializations
            Type typeofThis = typeof(LinearGradientBrush); 
            StartPointProperty =
                  RegisterProperty("StartPoint", 
                                   typeof(Point), 
                                   typeofThis,
                                   new Point(0,0), 
                                   new PropertyChangedCallback(StartPointPropertyChanged),
                                   null,
                                   /* isIndependentlyAnimated  = */ true,
                                   /* coerceValueCallback */ null); 
            EndPointProperty =
                  RegisterProperty("EndPoint", 
                                   typeof(Point), 
                                   typeofThis,
                                   new Point(1,1), 
                                   new PropertyChangedCallback(EndPointPropertyChanged),
                                   null,
                                   /* isIndependentlyAnimated  = */ true,
                                   /* coerceValueCallback */ null); 
        }
 
 

        #endregion Constructors 

    }
}

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

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
LinearGradientBrush.cs source code in C# .NET

Source code for the .NET framework in C#

Code:

Link Menu
