System.Net.Sockets.SocketAsyncEventArgs.CompleteIOCPOperation C# (CSharp) Method

        private void CompleteIOCPOperation()
        {
            // TODO #4900: Optimization to remove callbacks if the operations are completed synchronously:
            //       Use SetFileCompletionNotificationModes(FILE_SKIP_COMPLETION_PORT_ON_SUCCESS).

            // If SetFileCompletionNotificationModes(FILE_SKIP_COMPLETION_PORT_ON_SUCCESS) is not set on this handle
            // it is guaranteed that the IOCP operation will be completed in the callback even if Socket.Success was 
            // returned by the Win32 API.

            // Required to allow another IOCP operation for the same handle.  We release the native overlapped
            // in the safe handle, but keep the safe handle object around so as to be able to reuse it
            // for other operations.
            _ptrNativeOverlapped?.FreeNativeOverlapped();
        }