串口编程的诸多例子，包括mmscom控件的使用、SerialPort类的使用以及对windows api函数的介绍。另外还提供了一个非常有用的串口编程助手软件。-Serial programming of the many examples, including mmscom control the use of, SerialPort class to use as well as the introduction of the windows api function. It also pr