VC++使用MSComm控件进行串口通信的例子，基于MSComm来实现，也就是使用串口发送和接收数据，程序运行后会自动检测串口，选择串口后就可以发送一些简单的文字来测试串口通信的效果，之类例子较多了，你可以在本站搜索下“串口通信”。(Vc + + serial communication using MSComm control for example, to implementation, based on the MSComm also is to use a serial port to send and receive data, the program runs automatically after testing a serial port, select a serial port after can send some simple text to test the effect of serial port communication, such as example, the more you can search on this site under "serial communication".)