在 Windows 的资源管理器窗口中，我们见过 WinZIP,WinRAR 等软件能在文件或文件夹的默认快捷菜单中添加几个菜单项，它可以使用户无须进入软件内部而直接在视窗中进行压缩/解压操作，十分方便用户操作，这无疑是一个较好的应用模型，它就是我们所说的Shell扩展技术。此源代码将以一个普通的源代码统计程序为例来说明怎样实现Shell扩展技术。-In the Windows Explorer window, we have seen WinZIP, WinRAR and other software in the file or folder to add the default shortcut menu几个菜individual, it can allow users do not need to enter the software directly in the internal window to compress/decompression operation, a very user-friendly operation, this is a good application model, which is what we call the Shell Extension. This source code will be an ordinary statistical procedures source code as an example to illustrate how to achieve the expansion of Shell Technology.