CSharp 的串口控制类，采用文件操作的方式，挺不错的。-CSharp class serial control, the use of file operations the way, very good.

此系统是使用c#编写的串口通信软件，可以实现PC-PC机的数据交互，包括exe文件和源代码，使用vs2008开发-The system is written using the c# serial communication software, you can achieve PC-PC machine data exchange, including the exe file and source code developed using vs2008