Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / ContainerVisual.cs / 2 / ContainerVisual.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001 // // File: ContainerVisual.cs // // History: [....]: 05/28/2003 // Created it. //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Windows.Threading; using System.Windows.Media; using System.Windows.Media.Effects; using System.Diagnostics; using System.Collections; using MS.Internal; using System.Resources; using System.Runtime.InteropServices; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media { ////// A ContainerVisual is a Container for other Visuals. /// public class ContainerVisual : Visual { ////// Ctor ContainerVisual. /// public ContainerVisual() { _children = new VisualCollection(this); } // ----------------------------------------------------------------------------------------- // Publicly re-exposed VisualTreeHelper interfaces. // ----------------------------------------------------------------------------------------- ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public VisualCollection Children { get { VerifyAPIReadOnly(); return _children; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public DependencyObject Parent { get { return base.VisualParent; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public Geometry Clip { get { return base.VisualClip; } set { base.VisualClip = value; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public double Opacity { get { return base.VisualOpacity; } set { base.VisualOpacity = value; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public Brush OpacityMask { get { return base.VisualOpacityMask; } set { base.VisualOpacityMask = value; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public BitmapEffect BitmapEffect { get { return base.VisualBitmapEffect; } set { base.VisualBitmapEffect = value; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// public BitmapEffectInput BitmapEffectInput { get { return base.VisualBitmapEffectInput; } set { base.VisualBitmapEffectInput = value; } } ////// Gets or sets X- (vertical) guidelines on this Visual. /// [DefaultValue(null)] public DoubleCollection XSnappingGuidelines { get { return base.VisualXSnappingGuidelines; } set { base.VisualXSnappingGuidelines = value; } } ////// Gets or sets Y- (vertical) guidelines on this Visual. /// [DefaultValue(null)] public DoubleCollection YSnappingGuidelines { get { return base.VisualYSnappingGuidelines; } set { base.VisualYSnappingGuidelines = value; } } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// new public HitTestResult HitTest(Point point) { return base.HitTest(point); } ////// Re-exposes the Visual base class's corresponding VisualTreeHelper implementation as public method. /// new public void HitTest(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, HitTestParameters hitTestParameters) { base.HitTest(filterCallback, resultCallback, hitTestParameters); } ////// VisualContentBounds returns the bounding box for the contents of this Visual. /// public Rect ContentBounds { get { return base.VisualContentBounds; } } ////// Gets or sets the Transform property. /// public Transform Transform { get { return base.VisualTransform; } set { base.VisualTransform = value; } } ////// Gets or sets the Offset property. /// public Vector Offset { get { return base.VisualOffset; } set { base.VisualOffset = value; } } ////// DescendantBounds returns the union of all of the content bounding /// boxes for all of the descendants of the current visual, but not including /// the contents of the current visual. /// public Rect DescendantBounds { get { return base.VisualDescendantBounds; } } // ------------------------------------------------------------------------------------------ // Protected methods // ----------------------------------------------------------------------------------------- ////// Derived class must implement to support Visual children. The method must return /// the child at the specified index. Index must be between 0 and GetVisualChildrenCount-1. /// /// By default a Visual does not have any children. /// /// Remark: /// During this virtual call it is not valid to modify the Visual tree. /// protected sealed override Visual GetVisualChild(int index) { //VisualCollection does the range check for index return _children[index]; } ////// Derived classes override this property to enable the Visual code to enumerate /// the Visual children. Derived classes need to return the number of children /// from this method. /// /// By default a Visual does not have any children. /// /// Remark: During this virtual method the Visual tree must not be modified. /// protected sealed override int VisualChildrenCount { get { return _children.Count; } } // ------------------------------------------------------------------------------------------ // Private fields // ------------------------------------------------------------------------------------------ private readonly VisualCollection _children; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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