由Visual C++ 4.2开发的一个DLL，它扩展了ISAPI，允许你指定路径访问服务器。例如你的服务器名为MOOSEBOY，且ADD.DLL安装在Web服务器的根目录，你就可以使用URL:http://mooseboy/add.dll? -By Visual C++ 4.2 developed a DLL, it extends the ISAPI, allows you to specify path to access the server. For example, your server is named MOOSEBOY, and ADD.DLL installed in the Web server