protected void SetPortSpeed(ComPortSpeed speed) { vc0706.SetPortSpeed((short)speed); var comPortName = vc0706.PortName; switch (speed) { case ComPortSpeed.Baud9600: OpenComPort(comPortName, 9600); break; case ComPortSpeed.Baud19200: OpenComPort(comPortName, 19200); break; case ComPortSpeed.Baud38400: OpenComPort(comPortName, 38400); break; case ComPortSpeed.Baud57600: OpenComPort(comPortName, 57600); break; case ComPortSpeed.Baud115200: OpenComPort(comPortName, 115200); break; } Thread.Sleep(100); }