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OpenWriteCompletedEventArgs.Result Property

Gets a writable stream that is used to send data to a server.

Namespace:  System.Net
Assembly:  System (in System.dll)

public Stream Result { get; }

Property Value

Type: System.IO.Stream
A Stream where you can write data to be uploaded.

You should check the Error and Cancelled properties before using the stream returned by this property. If the Error property's value is an Exception object or the Cancelled property's value is true, the asynchronous operation did not complete correctly and the Result property's value will not be valid.

The following code example uses the stream returned by this property.


    private static void OpenWriteCallback2 (Object sender, OpenWriteCompletedEventArgs e)
    {
        Stream body = null;
        StreamWriter s = null;

        try
        {
            body = (Stream)e.Result;
            s = new StreamWriter (body);
            s.AutoFlush = true;
            s.Write ("This is content data to be sent to the server.");
        }
        finally
        {
            if (s != null)
            {
                s.Close ();
            }

            if (body != null)
            {
                body.Close ();
            }
        }
    }



.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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