C++ Builder制作多采用

代码说明：

C++ Builder 编的采用API函数多串口通讯源码,系本人在开发门禁控制器管理软件时曾编过的,希望对有这方面的要求的朋友有帮助-C++ Builder made the adoption of multi-function serial communications API source code, the Department of I in the development of Access Controller management software had been made, and they hope to have this requirement has to help a friend