Detector.Motion.Form1.btnShowPorts_Click C# (CSharp) Method

        private void btnShowPorts_Click(object sender, EventArgs e)
        {
            string [] ports = SerialPort.GetPortNames();
            string msg = "";

            foreach (string port in ports)
            {
                msg += port + "\n";
            }
            MessageBox.Show(msg);
        }