使用vb编程RS232输出 comboDevice.AddItem "COM1" comboDevice.AddItem "COM2" comboDevice.AddItem "COM3"
使用vb编程RS232输出 comboDevice.AddItem "COM1" comboDevice.AddItem "COM2" comboDevice.AddItem "COM3"...
使用vb编程RS232输出 comboDevice.AddItem "COM1" comboDevice.AddItem "COM2" comboDevice.AddItem "COM3"...