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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)

'Declaration
Public ReadOnly Property Result As Stream
'Usage
Dim instance As OpenWriteCompletedEventArgs 
Dim value As Stream 

value = instance.Result

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 Shared Sub OpenWriteCallback2(ByVal sender As Object, ByVal e As OpenWriteCompletedEventArgs)

    Dim body As Stream = Nothing 
    Dim s As StreamWriter = Nothing 

    Try

        body = CType(e.Result, Stream)
        s = New StreamWriter(body)
        s.AutoFlush = True
        s.Write("This is content data to be sent to the server.")
    Finally 

        If Not s Is Nothing Then

            s.Close()
        End If 

        If Not body Is Nothing Then

            body.Close()
        End If 
    End Try 
End Sub
void OpenWriteCallback2 (Object* /*sender*/, OpenWriteCompletedEventArgs* e)
{
    Stream* body = 0;
    StreamWriter* s = 0;

    try
    {
        body = dynamic_cast<Stream*>(e->Result);
        s = new StreamWriter (body);
        s->AutoFlush = true;
        s->Write (S"This is content data to be sent to the server.");
    }
    __finally
    {
        if (s != 0)
        {
            s->Close ();
        }

        if (body != 0)
        {
            body->Close ();
        }
    }
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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