VC++通过内存映射在程序间交换数据，通过这个小实例，你会了解到以下技巧：在内存映像中创建对象，将文件视图映射到一个进程的地址空间上、返回LPVOID类型的内存指针、给映像内存数据赋给本地变量、释放映像内存、更新数据等。-VC++ through the memory mapping process between the exchange data, through this small instance, you will learn the following skills: In the

小区管理系统的终端软件，实现单片机终端与计算机的数据交换-Community Management System terminal software, data exchange with a computer terminal SCM

对于数据串行通信接口的实现和传输，进行数据交换-For data serial communication interface implementation and transmission