VC++6.0 调试通过。基于COM结构的外壳扩展实例程序，以我的文档为根目录，采用资源管理器类似的模版显示树形目录结构。-VC++ 6.0 debug through. COM based on the structure of examples of shell expansion procedure to My Documents to the root directory using Explorer tree display similar to the template direct