MissionPlanner.Sikradio.BUT_resettodefault_Click C# (CSharp) Method

        private void BUT_resettodefault_Click(object sender, EventArgs e)
        {
            ICommsSerial comPort = new SerialPort();

            try
            {
                comPort.PortName = MainV2.comPort.BaseStream.PortName;
                comPort.BaudRate = MainV2.comPort.BaseStream.BaudRate;

                comPort.ReadTimeout = 4000;

                comPort.Open();
            }
            catch
            {
                CustomMessageBox.Show("Invalid ComPort or in use");
                return;
            }

            lbl_status.Text = "Connecting";

            if (doConnect(comPort))
            {
                // cleanup
                doCommand(comPort, "AT&T");

                comPort.DiscardInBuffer();

                lbl_status.Text = "Doing Command ATI & AT&F";

                doCommand(comPort, "AT&F");

                doCommand(comPort, "AT&W");

                lbl_status.Text = "Reset";

                doCommand(comPort, "ATZ");

                comPort.Close();

                BUT_getcurrent_Click(sender, e);
            }
            else
            {
                // off hook
                doCommand(comPort, "ATO");

                lbl_status.Text = "Fail";
                CustomMessageBox.Show("Failed to enter command mode");
            }

            if (comPort.IsOpen)
                comPort.Close();
        }