public void SetTime (UdpClient client) { var centralPointIp = ConfigurationManager.AppSettings[AppKeys.CentralUnitIpAddress]; IPAddress serverAddr = IPAddress.Parse("192.168.0.100"); // IPAddress serverAddr = IPAddress.Parse("127.0.0.1"); IPEndPoint endPoint = new IPEndPoint(serverAddr, 9992); ParserHelper parserHelper = new ParserHelper(); string time = parserHelper.DatetimeToUnixTimeStamp(DateTime.Now); // string text = "SET_TIME " +time; string text = "x02SET_TIME 1466697715\x0D"; byte[] send_buffer = Encoding.ASCII.GetBytes(text); client.Send(send_buffer, send_buffer.Length, endPoint); }