DrawingContextWalker.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / DrawingContextWalker.cs / 1 / DrawingContextWalker.cs

                            //---------------------------------------------------------------------------- 
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
// Description: Contains base class for DrawingContext iterators 
//
// History: 
// 
//  2004/04/02 : [....] - Created it.
//  2005/06/20 : [....] - Moved to codegen 
//
//---------------------------------------------------------------------------

using System; 
using System.Diagnostics;
using System.Runtime.InteropServices; 
using System.Security.Permissions; 
using System.Windows.Threading;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Media.Media3D; 

using MS.Internal; 
 
namespace System.Windows.Media
{ 
    /// 
    /// DrawingContextWalker : The base class for DrawingContext iterators.
    /// This is *not* thread safe
    ///  
    internal abstract partial class DrawingContextWalker : DrawingContext
    { 
        ///  
        /// Constructor for DrawingContextWalker
        ///  
        protected DrawingContextWalker()
        {
            // Nothing to do here
        } 

        ///  
        /// DrawingContextWalker implementations are never opened, so they shouldn't be closed. 
        /// 
        public override sealed void Close() 
        {
            Debug.Assert(false);
        }
 
        #region Protected methods
 
        ///  
        /// DrawingContextWalker implementations are never opened, so they shouldn't be disposed.
        ///  
        protected override void DisposeCore()
        {
            Debug.Assert(false);
        } 

        ///  
        /// StopWalking - If this called, the current walk will stop. 
        /// 
        protected void StopWalking() 
        {
            _stopWalking = true;
        }
 
        #endregion Protected methods
 
        #region Internal properties 

        ///  
        /// ShouldStopWalking Property - internal clients can consult this property to determine
        /// whether or not the implementer of this DrawingContextWalker has called StopWalking.
        /// This can also be set by internal callers.
        ///  
        internal bool ShouldStopWalking
        { 
            get 
            {
                return _stopWalking; 
            }
            set
            {
                _stopWalking = value; 
            }
        } 
 
        #endregion Internal properties
 
        #region Private Members

        private bool _stopWalking;
        #endregion Private Members 
    }
} 
 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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