StreamUpgradeInitiator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / StreamUpgradeInitiator.cs / 1 / StreamUpgradeInitiator.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{ 
    using System.IO;
 
    public abstract class StreamUpgradeInitiator 
    {
        protected StreamUpgradeInitiator() 
        {
        }

        public abstract string GetNextUpgrade(); 

        public abstract Stream InitiateUpgrade(Stream stream); 
        public abstract IAsyncResult BeginInitiateUpgrade(Stream stream, AsyncCallback callback, object state); 
        public abstract Stream EndInitiateUpgrade(IAsyncResult result);
 
        internal virtual IAsyncResult BeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
        {
            return new CompletedAsyncResult(callback, state);
        } 

        internal virtual void EndOpen(IAsyncResult result) 
        { 
            CompletedAsyncResult.End(result);
        } 

        internal virtual IAsyncResult BeginClose(TimeSpan timeout, AsyncCallback callback, object state)
        {
            return new CompletedAsyncResult(callback, state); 
        }
 
        internal virtual void EndClose(IAsyncResult result) 
        {
            CompletedAsyncResult.End(result); 
        }

        internal virtual void Open(TimeSpan timeout)
        { 
        }
 
        internal virtual void Close(TimeSpan timeout) 
        {
        } 
    }
}

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

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