Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Generated / VisualBrush.cs / 2 / VisualBrush.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 VisualBrush : TileBrush { #region Constructors //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Shadows inherited Clone() with a strongly typed /// version for convenience. /// public new VisualBrush Clone() { return (VisualBrush)base.Clone(); } ////// Shadows inherited CloneCurrentValue() with a strongly typed /// version for convenience. /// public new VisualBrush CloneCurrentValue() { return (VisualBrush)base.CloneCurrentValue(); } #endregion Public Methods //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ private static void VisualPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { VisualBrush target = ((VisualBrush) d); Visual oldV = (Visual) e.OldValue; // // If the Visual required layout but it is changed before we do Layout // on that Visual, then we dont want the async LayoutCallback method to run, // nor do we want the LayoutUpdated handler to run. So we abort/remove them. // if (target._pendingLayout) { // // Visual has to be a UIElement since _pendingLayout flag is // true only if we added the LayoutUpdated handler which can // only be done on UIElement. // UIElement element = (UIElement)oldV; Debug.Assert(element != null); element.LayoutUpdated -= target.OnLayoutUpdated; Debug.Assert(target._DispatcherLayoutResult != null); Debug.Assert(target._DispatcherLayoutResult.Status == System.Windows.Threading.DispatcherOperationStatus.Pending); bool abortStatus = target._DispatcherLayoutResult.Abort(); Debug.Assert(abortStatus); target._pendingLayout = false; } Visual newV = (Visual) e.NewValue; System.Windows.Threading.Dispatcher dispatcher = target.Dispatcher; if (dispatcher != null) { DUCE.IResource targetResource = (DUCE.IResource)target; using (CompositionEngineLock.Acquire()) { 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); target.ReleaseResource(oldV,channel); target.AddRefResource(newV,channel); } } } target.PropertyChanged(VisualProperty); } private static void AutoLayoutContentPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { VisualBrush target = ((VisualBrush) d); target.PropertyChanged(AutoLayoutContentProperty); } #region Public Properties ////// Visual - Visual. Default value is null. /// public Visual Visual { get { return (Visual) GetValue(VisualProperty); } set { SetValueInternal(VisualProperty, value); } } ////// AutoLayoutContent - bool. Default value is true. /// If this property is true, this Brush will run layout on the contents of this Brush /// if the Visual is a non-parented UIElement. /// public bool AutoLayoutContent { get { return (bool) GetValue(AutoLayoutContentProperty); } set { SetValueInternal(AutoLayoutContentProperty, BooleanBoxes.Box(value)); } } #endregion Public Properties //----------------------------------------------------- // // Protected Methods // //------------------------------------------------------ #region Protected Methods ////// Implementation of ///Freezable.CreateInstanceCore . ///The new Freezable. protected override Freezable CreateInstanceCore() { return new VisualBrush(); } #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 Transform vTransform = Transform; Transform vRelativeTransform = RelativeTransform; Visual vVisual = Visual; // Obtain handles for properties that implement DUCE.IResource DUCE.ResourceHandle hTransform; if (vTransform == null || Object.ReferenceEquals(vTransform, Transform.Identity) ) { hTransform = DUCE.ResourceHandle.Null; } else { hTransform = ((DUCE.IResource)vTransform).GetHandle(channel); } DUCE.ResourceHandle hRelativeTransform; if (vRelativeTransform == null || Object.ReferenceEquals(vRelativeTransform, Transform.Identity) ) { hRelativeTransform = DUCE.ResourceHandle.Null; } else { hRelativeTransform = ((DUCE.IResource)vRelativeTransform).GetHandle(channel); } // Obtain handles for properties that implement DUCE.IResource DUCE.ResourceHandle hVisual = vVisual != null ? ((DUCE.IResource)vVisual).GetHandle(channel) : DUCE.ResourceHandle.Null; // Obtain handles for animated properties DUCE.ResourceHandle hOpacityAnimations = GetAnimationResourceHandle(OpacityProperty, channel); DUCE.ResourceHandle hViewportAnimations = GetAnimationResourceHandle(ViewportProperty, channel); DUCE.ResourceHandle hViewboxAnimations = GetAnimationResourceHandle(ViewboxProperty, channel); // Pack & send command packet DUCE.MILCMD_VISUALBRUSH data; unsafe { data.Type = MILCMD.MilCmdVisualBrush; data.Handle = _duceResource.GetHandle(channel); if (hOpacityAnimations.IsNull) { data.Opacity = Opacity; } data.hOpacityAnimations = hOpacityAnimations; data.hTransform = hTransform; data.hRelativeTransform = hRelativeTransform; data.ViewportUnits = ViewportUnits; data.ViewboxUnits = ViewboxUnits; if (hViewportAnimations.IsNull) { data.Viewport = Viewport; } data.hViewportAnimations = hViewportAnimations; if (hViewboxAnimations.IsNull) { data.Viewbox = Viewbox; } data.hViewboxAnimations = hViewboxAnimations; data.Stretch = Stretch; data.TileMode = TileMode; data.AlignmentX = AlignmentX; data.AlignmentY = AlignmentY; data.CachingHint = (CachingHint)GetValue(RenderOptions.CachingHintProperty); data.CacheInvalidationThresholdMinimum = (double)GetValue(RenderOptions.CacheInvalidationThresholdMinimumProperty); data.CacheInvalidationThresholdMaximum = (double)GetValue(RenderOptions.CacheInvalidationThresholdMaximumProperty); data.hVisual = hVisual; // Send packed command structure channel.SendCommand( (byte*)&data, sizeof(DUCE.MILCMD_VISUALBRUSH)); } } } internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel) { if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_VISUALBRUSH)) { Transform vTransform = Transform; if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel); Transform vRelativeTransform = RelativeTransform; if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).AddRefOnChannel(channel); Visual vVisual = Visual; if (vVisual != null) vVisual.AddRefOnChannelForVisualBrush(this, 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); Visual vVisual = Visual; if (vVisual != null) vVisual.ReleaseOnChannelForVisualBrush(this, 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: // Visual // internal override int EffectiveValuesInitialSize { get { return 1; } } #endregion Internal Properties //----------------------------------------------------- // // Dependency Properties // //------------------------------------------------------ #region Dependency Properties ////// The DependencyProperty for the VisualBrush.Visual property. /// public static readonly DependencyProperty VisualProperty = RegisterProperty("Visual", typeof(Visual), typeof(VisualBrush), null, new PropertyChangedCallback(VisualPropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); ////// The DependencyProperty for the VisualBrush.AutoLayoutContent property. /// public static readonly DependencyProperty AutoLayoutContentProperty = RegisterProperty("AutoLayoutContent", typeof(bool), typeof(VisualBrush), true, new PropertyChangedCallback(AutoLayoutContentPropertyChanged), 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 const bool c_AutoLayoutContent = true; #endregion Internal Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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