这个一个关于串口通信的简单程序，因为里面用了别人写的东西，还请见谅。呵呵!-one of the serial communication simple procedures, because they use other people to write things, I do apologize. Ha ha!

本程序使用MSComm控件实现串口通信底层技术,不错的源码-This procedure using MSComm control to realize the underlying technology, serial communication, a good source