Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Generated / TransformGroup.cs / 2 / TransformGroup.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // This file was generated, please do not edit it directly. // // Please see [....]/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 TransformGroup : Transform { #region Constructors //----------------------------------------------------- // // Constructors // //----------------------------------------------------- static TransformGroup() { // 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) // Debug.Assert(s_Children == null || s_Children.IsFrozen, "Detected context bound default value TransformGroup.s_Children (See OS Bug #947272)."); } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Shadows inherited Clone() with a strongly typed /// version for convenience. /// public new TransformGroup Clone() { return (TransformGroup)base.Clone(); } ////// Shadows inherited CloneCurrentValue() with a strongly typed /// version for convenience. /// public new TransformGroup CloneCurrentValue() { return (TransformGroup)base.CloneCurrentValue(); } #endregion Public Methods //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ private static void ChildrenPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { if (e.IsASubPropertyChange) { return; } TransformGroup target = ((TransformGroup) d); // If this is both non-null and mutable, we need to unhook the Changed event. TransformCollection oldCollection = null; TransformCollection newCollection = null; if ((e.OldValueSource != BaseValueSourceInternal.Default) || e.IsOldValueModified) { oldCollection = (TransformCollection) e.OldValue; if ((oldCollection != null) && !oldCollection.IsFrozen) { oldCollection.ItemRemoved -= target.ChildrenItemRemoved; oldCollection.ItemInserted -= target.ChildrenItemInserted; } } // If this is both non-null and mutable, we need to hook the Changed event. if ((e.NewValueSource != BaseValueSourceInternal.Default) || e.IsNewValueModified) { newCollection = (TransformCollection) e.NewValue; if ((newCollection != null) && !newCollection.IsFrozen) { newCollection.ItemInserted += target.ChildrenItemInserted; newCollection.ItemRemoved += target.ChildrenItemRemoved; } } if (oldCollection != newCollection && target.Dispatcher != null) { using (CompositionEngineLock.Acquire()) { DUCE.IResource targetResource = (DUCE.IResource)target; int channelCount = targetResource.GetChannelCount(); for (int channelIndex = 0; channelIndex < channelCount; channelIndex++) { DUCE.Channel channel = targetResource.GetChannel(channelIndex); Debug.Assert(!channel.IsOutOfBandChannel); Debug.Assert(!targetResource.GetHandle(channel).IsNull); // resource shouldn't be null because // 1) If the field is one of our collections, we don't allow null elements // 2) Codegen already made sure the collection contains DUCE.IResources // ... so we'll Assert it if (newCollection != null) { int count = newCollection.Count; for (int i = 0; i < count; i++) { DUCE.IResource resource = newCollection.Internal_GetItem(i) as DUCE.IResource; Debug.Assert(resource != null); resource.AddRefOnChannel(channel); } } if (oldCollection != null) { int count = oldCollection.Count; for (int i = 0; i < count; i++) { DUCE.IResource resource = oldCollection.Internal_GetItem(i) as DUCE.IResource; Debug.Assert(resource != null); resource.ReleaseOnChannel(channel); } } } } } target.PropertyChanged(ChildrenProperty); } #region Public Properties ////// Children - TransformCollection. Default value is new FreezableDefaultValueFactory(TransformCollection.Empty). /// public TransformCollection Children { get { return (TransformCollection) GetValue(ChildrenProperty); } set { SetValueInternal(ChildrenProperty, value); } } #endregion Public Properties //----------------------------------------------------- // // Protected Methods // //------------------------------------------------------ #region Protected Methods ////// Implementation of ///Freezable.CreateInstanceCore . ///The new Freezable. protected override Freezable CreateInstanceCore() { return new TransformGroup(); } #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) { // If we're told we can skip the channel check, then we must be on channel Debug.Assert(!skipOnChannelCheck || _duceResource.IsOnChannel(channel)); if (skipOnChannelCheck || _duceResource.IsOnChannel(channel)) { base.UpdateResource(channel, skipOnChannelCheck); // Read values of properties into local variables TransformCollection vChildren = Children; // Store the count of this resource's contained collections in local variables. int ChildrenCount = (vChildren == null) ? 0 : vChildren.Count; // Pack & send command packet DUCE.MILCMD_TRANSFORMGROUP data; unsafe { data.Type = MILCMD.MilCmdTransformGroup; data.Handle = _duceResource.GetHandle(channel); data.ChildrenSize = (uint)(sizeof(DUCE.ResourceHandle) * ChildrenCount); channel.BeginCommand( (byte*)&data, sizeof(DUCE.MILCMD_TRANSFORMGROUP), (int)(data.ChildrenSize) ); // Copy this collection's elements (or their handles) to reserved data for(int i = 0; i < ChildrenCount; i++) { DUCE.ResourceHandle resource = ((DUCE.IResource)vChildren.Internal_GetItem(i)).GetHandle(channel);; channel.AppendCommandData( (byte*)&resource, sizeof(DUCE.ResourceHandle) ); } channel.EndCommand(); } } } internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel) { if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_TRANSFORMGROUP)) { TransformCollection vChildren = Children; if (vChildren != null) { int count = vChildren.Count; for (int i = 0; i < count; i++) { ((DUCE.IResource) vChildren.Internal_GetItem(i)).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)) { TransformCollection vChildren = Children; if (vChildren != null) { int count = vChildren.Count; for (int i = 0; i < count; i++) { ((DUCE.IResource) vChildren.Internal_GetItem(i)).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); } private void ChildrenItemInserted(object sender, object item) { if (this.Dispatcher != null) { DUCE.IResource thisResource = (DUCE.IResource)this; using (CompositionEngineLock.Acquire()) { int channelCount = thisResource.GetChannelCount(); for (int channelIndex = 0; channelIndex < channelCount; channelIndex++) { DUCE.Channel channel = thisResource.GetChannel(channelIndex); Debug.Assert(!channel.IsOutOfBandChannel); Debug.Assert(!thisResource.GetHandle(channel).IsNull); // We're on a channel, which means our dependents are also on the channel. DUCE.IResource addResource = item as DUCE.IResource; if (addResource != null) { addResource.AddRefOnChannel(channel); } UpdateResource(channel, true /* skip on channel check */); } } } } private void ChildrenItemRemoved(object sender, object item) { if (this.Dispatcher != null) { DUCE.IResource thisResource = (DUCE.IResource)this; using (CompositionEngineLock.Acquire()) { int channelCount = thisResource.GetChannelCount(); for (int channelIndex = 0; channelIndex < channelCount; channelIndex++) { DUCE.Channel channel = thisResource.GetChannel(channelIndex); Debug.Assert(!channel.IsOutOfBandChannel); Debug.Assert(!thisResource.GetHandle(channel).IsNull); UpdateResource(channel, true /* is on channel check */); // We're on a channel, which means our dependents are also on the channel. DUCE.IResource releaseResource = item as DUCE.IResource; if (releaseResource != null) { releaseResource.ReleaseOnChannel(channel); } } } } } #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: // Children // internal override int EffectiveValuesInitialSize { get { return 1; } } #endregion Internal Properties //----------------------------------------------------- // // Dependency Properties // //------------------------------------------------------ #region Dependency Properties ////// The DependencyProperty for the TransformGroup.Children property. /// public static readonly DependencyProperty ChildrenProperty = RegisterProperty("Children", typeof(TransformCollection), typeof(TransformGroup), new FreezableDefaultValueFactory(TransformCollection.Empty), new PropertyChangedCallback(ChildrenPropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); #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 TransformCollection s_Children = TransformCollection.Empty; #endregion Internal Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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