ContainerUIElement3D.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media3D / ContainerUIElement3D.cs / 1305600 / ContainerUIElement3D.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (c) Microsoft Corporation.  All rights reserved.
//  
//
// Description: 
// 
// History:
//  4/12/2007:  kurtb - 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.

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