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 exchange of data between memory mapping program, through this small example, you will learn the following skills: to create objects in the memory image of the file view mapped to a process s address space, return LPVOID type of memory pointer to the image memory data assigned to a local variable, the release of the image memory, updated data.