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FtpWebRequest.EndGetRequestStream Method

Ends a pending asynchronous operation started with BeginGetRequestStream.

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

abstract EndGetRequestStream : 
        asyncResult:IAsyncResult -> Stream  
override EndGetRequestStream : 
        asyncResult:IAsyncResult -> Stream


Type: System.IAsyncResult

The IAsyncResult object that was returned when the operation started.

Return Value

Type: System.IO.Stream
A writable Stream instance associated with this instance.


asyncResult is a null reference (Nothing in Visual Basic).


asyncResult was not obtained by calling BeginGetRequestStream.


This method was already called for the operation identified by asyncResult.

If the operation has not completed, the EndGetRequestStream method blocks until the operation completes. To determine whether the operation has completed, check the IsCompleted property before calling EndGetRequestStream.

In addition to the exceptions noted in "Exceptions," EndGetRequestStream rethrows exceptions that were thrown while opening the stream for writing.


This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.

The following code example demonstrates ending an asynchronous operation to get a request's stream. This code example is part of a larger example provided for the FtpWebRequest class overview.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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