StateObject state = (StateObject)ar.AsyncState;
                Socket clientSocket = state.workSocket;
                int bytesRead = clientSocket.EndReceive(ar);
                if (bytesRead > 0)
                {
                   byte[] str = state.buffer;
                   String receive = Convert.ToString(str[0]);
                   if (receive=="32")
                   {
                       MessageBox.Show(receive);
                   }
                }