基于VC++源码演示怎么注册多文档模板，而且防止MFC主动发生_New File Type_对话框，程序源码由VC6.0转码生成，VC++编程学习源码，很好的参考资料。-Based on VC++ source code demonstrates how to register multiple document templates, and prevent _New File Type_ MFC dialog initiative occurs, the program source code