public MSG_START_ROSPEC_RESPONSE START_ROSPEC(MSG_START_ROSPEC msg, out MSG_ERROR_MESSAGE msg_err, int time_out) { msg_err = null; //Add your code here _event_START_ROSPEC_RESPONSE = new ClientManualResetEvent(false); _event_START_ROSPEC_RESPONSE.msg_id = msg.MSG_ID; _event_ERROR_MESSAGE = new ClientManualResetEvent(false); WaitHandle[] waitHandles = new WaitHandle[] { _event_START_ROSPEC_RESPONSE.evt, _event_ERROR_MESSAGE.evt }; bool[] bit_array = msg.ToBitArray(); byte[] data = Util.ConvertBitArrayToByteArray(bit_array); cI.Send(data); int wait_result = WaitHandle.WaitAny(waitHandles, time_out, false); int cursor = 0; int length; BitArray bArr; try { switch (wait_result) { case 0: bArr = Util.ConvertByteArrayToBitArray(_event_START_ROSPEC_RESPONSE.data); length = bArr.Count; MSG_START_ROSPEC_RESPONSE msg_rsp = MSG_START_ROSPEC_RESPONSE.FromBitArray(ref bArr, ref cursor, length); if (msg_rsp.MSG_ID != msg.MSG_ID) return null; else return msg_rsp; case 1: bArr = Util.ConvertByteArrayToBitArray(_event_ERROR_MESSAGE.data); length = bArr.Count; msg_err = MSG_ERROR_MESSAGE.FromBitArray(ref bArr, ref cursor, length); return null; default: return null; } } catch { return null; } }