问C#在配置文件中定义多个COM端口和设置

EN

SerialPort SerialPort1 = new SerialPort("COM1", 19200, Parity.None, 8, StopBits.One);
SerialPort SerialPort2 = new SerialPort("COM2", 19200, Parity.None, 8, StopBits.One);
SerialPort SerialPort3 = new SerialPort("COM3", 19200, Parity.None, 8, StopBits.One);
SerialPort SerialPort5 = new SerialPort("COM4", 19200, Parity.None, 8, StopBits.One);

  private void button1_ON_Click(object sender, EventArgs e)
    {

       try
        {
            if (!(SerialPort1.IsOpen))
                SerialPort1.Open();
            SerialPort1.Write(new byte[] { 0xFF, 0x01, 0x01 }, 0, 3);
            SerialPort1.Close();
            timer1.Interval = 500;
        timer1.Enabled = true;
        timer1.Tick += new System.EventHandler(OnTimerEvent1);
        }
        catch (Exception ex)
        {
            MessageBox.Show("Error writing to serial." + ex.Message, "OH NO AN ERROR!!");
        }



    }