NET fr a mework 2.0 类库包含了SerialPort 类,方便地实现了所需要串口通讯的多种功能，为了使MSComm编程方法快速转换到以SerialPort类为核心的串口通讯的设计方法，本文着重讨论了Visual Studio 6.0的MSComm控件和SerialPort 类设计方法的异同点-NET fr a mework 2.0 class library includes the SerialPort class, easy to realize the need for multiple serial communication functions, in order to quickly switch to MSComm programming SerialPort class to the core of the design method of serial communication, this paper focuses on the Visual Studio 6.0 The MSComm control and SerialPort class design similarities and differences