NegotiateStream.EndWrite(IAsyncResult) Method

Reference

Definition

Namespace:: System.Net.Security

Assembly:: System.Net.Security.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Source:: NegotiateStream.cs

Source:: NegotiateStream.cs

Source:: NegotiateStream.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Ends an asynchronous write operation that was started with a call to BeginWrite(Byte[], Int32, Int32, AsyncCallback, Object).

public:
 override void EndWrite(IAsyncResult ^ asyncResult);

public override void EndWrite (IAsyncResult asyncResult);

override this.EndWrite : IAsyncResult -> unit

Public Overrides Sub EndWrite (asyncResult As IAsyncResult)

Parameters

asyncResult: IAsyncResult

An IAsyncResult instance returned by a call to BeginWrite(Byte[], Int32, Int32, AsyncCallback, Object).

Exceptions

ArgumentNullException

asyncResult is null.

ArgumentException

The asyncResult was not created by a call to BeginWrite(Byte[], Int32, Int32, AsyncCallback, Object).

InvalidOperationException

There is no pending write operation to complete.

-or-

Authentication has not occurred.

IOException

The write operation failed.

Examples

The following example demonstrates a method that is called to complete the asynchronous write operation. For an example that demonstrates starting the operation, see BeginWrite.

// The following method is called when the write operation completes.
static void EndWriteCallback( IAsyncResult^ ar )
{
   Console::WriteLine( L"Client ending write operation..." );
   NegotiateStream^ authStream = dynamic_cast<NegotiateStream^>(ar->AsyncState);
   
   // End the asynchronous operation.
   authStream->EndWrite( ar );
}

' The following method is called when the write operation completes.
Public Shared Sub EndWriteCallback(ar As IAsyncResult)

    Console.WriteLine("Client ending write operation...")
    Dim authStream = CType(ar.AsyncState, NegotiateStream)

    ' End the asynchronous operation.
    authStream.EndWrite(ar)

End Sub

Remarks

If the operation has not completed, this method blocks until it does.

You cannot call this method until you have successfully authenticated. To authenticate, call one of the AuthenticateAsClient, AuthenticateAsClientAsync, BeginAuthenticateAsClient, AuthenticateAsServer, AuthenticateAsServerAsync, or BeginAuthenticateAsServer methods.

To perform this operation synchronously, use the Write method.

Applies to

Product	Versions
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

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