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/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media3D / ContainerUIElement3D.cs / 2 / ContainerUIElement3D.cs
//---------------------------------------------------------------------------- // //// Copyright (c) Microsoft Corporation. All rights reserved. // // // Description: // // History: // 4/12/2007: [....] - Created // //--------------------------------------------------------------------------- using MS.Internal; using MS.Internal.Media; using MS.Internal.Media3D; using System; using System.Diagnostics; using System.Collections.Specialized; using System.ComponentModel; using System.Windows.Automation.Peers; using System.Windows.Media.Composition; using System.Windows.Markup; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Media3D { ////// ContainerUIElement3D is a UIElement3D which contains children of type Visual3D. /// It does not set the Visual3DModel property. /// [ContentProperty("Children")] public sealed class ContainerUIElement3D : UIElement3D { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Default ctor /// public ContainerUIElement3D() { _children = new Visual3DCollection(this); } #endregion Constructors ////// Derived class must implement to support Visual3D children. The method must return /// the child at the specified index. Index must be between 0 and GetVisual3DChildrenCount-1. /// /// By default a Visual3D does not have any children. /// /// Remark: /// During this virtual call it is not valid to modify the Visual tree. /// protected override Visual3D GetVisual3DChild(int index) { //Visual3DCollection does the range check for index return _children[index]; } ////// Derived classes override this property to enable the Visual3D code to enumerate /// the Visual3D children. Derived classes need to return the number of children /// from this method. /// /// By default a Visual3D does not have any children. /// /// Remark: During this virtual method the Visual tree must not be modified. /// protected override int Visual3DChildrenCount { get { return _children.Count; } } ////// Children of this Visual3D /// [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] public Visual3DCollection Children { get { VerifyAPIReadOnly(); return _children; } } ////// Called by the Automation infrastructure when AutomationPeer /// is requested for this element. /// protected override AutomationPeer OnCreateAutomationPeer() { return new UIElement3DAutomationPeer(this); } //------------------------------------------------------ // // Private Fields // //----------------------------------------------------- #region Private Fields private readonly Visual3DCollection _children; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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