System.Net.WebSockets.WebSocketHttpListenerDuplexStream.OnWriteCompleted C# (CSharp) Method

        private static void OnWriteCompleted(object sender, HttpListenerAsyncEventArgs eventArgs)
        {
            Debug.Assert(eventArgs != null, "'eventArgs' MUST NOT be NULL.");
            WebSocketHttpListenerDuplexStream thisPtr = eventArgs.CurrentStream;
            Debug.Assert(thisPtr != null, "'thisPtr' MUST NOT be NULL.");
#if DEBUG
            Debug.Assert(Interlocked.Decrement(ref thisPtr._outstandingOperations._writes) >= 0,
                "'thisPtr.m_OutstandingOperations.m_Writes' MUST NOT be negative.");
#endif

            if (NetEventSource.IsEnabled)
            {
                NetEventSource.Enter(thisPtr);
            }

            if (eventArgs.Exception != null)
            {
                thisPtr._writeTaskCompletionSource.TrySetException(eventArgs.Exception);
            }
            else
            {
                thisPtr._writeTaskCompletionSource.TrySetResult(null);
            }

            if (NetEventSource.IsEnabled)
            {
                NetEventSource.Exit(thisPtr);
            }
        }