这是一个释放资源文件的MFC应用程序，可以把需要释放的各种类型文件当作资源载入应用程序，然后在程序运行时用相关的函数释放出来。-This is a free resource file MFC application, you can put various types of documents need to release the application as a resource to load, and then run the program with related function