BitmapEffectInput.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 / Effects / BitmapEffectInput.cs / 1 / BitmapEffectInput.cs
                        

                        
                            //------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2005
//
//  File:       BitmapEffectInput.cs 
//-----------------------------------------------------------------------------
 
using MS.Internal; 
using System;
using System.IO; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics;
using System.Reflection; 
using System.Runtime.InteropServices;
using System.Windows; 
using System.Windows.Media; 
using System.Windows.Markup;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging;
using System.Collections.Generic;
 
namespace System.Windows.Media.Effects
{ 
    ///  
    /// BitmapEffect class
    ///  
    public sealed partial class BitmapEffectInput
    {
        private static BitmapSource s_defaultInputSource;
        ///  
        /// Constructor
        ///  
        public BitmapEffectInput() 
        {
        } 

        /// 
        /// Constructor
        ///  
        /// input image
        public BitmapEffectInput(BitmapSource input) 
        { 
            Input = input;
        } 

        /// 
        /// ShouldSerializeInput - this is called by the serializer to determine whether or not to
        /// serialize the Input property. 
        /// 
        [EditorBrowsable(EditorBrowsableState.Never)] 
        public bool ShouldSerializeInput() 
        {
            return (Input != BitmapEffectInput.ContextInputSource); 
        }

        /// 
        /// Returns a sentinel value representing the source that is derived from context 
        /// 
        public static BitmapSource ContextInputSource 
        { 
            get
            { 
                if (s_defaultInputSource == null)
                {
                    BitmapSource source = new UnmanagedBitmapWrapper(true);
                    source.Freeze(); 
                    s_defaultInputSource = source;
                } 
 
                return s_defaultInputSource;
            } 
        }

    }
} 


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

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