使用VC++6.0 MFC创建的对话框程序，能够实现基本的串口收发功能，可以在本程序的基础上加以扩充以便实现更加丰富的功能。-Using VC++ 6.0 MFC Dialog program created to achieve the basic serial transceiver functions, it can be expanded in order to achieve a more rich set of features on the basis of this progra