The article introduces MFC WinInet classes, which enclose some WinSock communication functions in Windows API, mainly FTPDLI programmed with WinInet classes and means of developing remote data communication interface through network called FTP. DLI.

• 本文介绍封装了 Windows API有关 Win Sock通信函数的 MFC Win Inet类 ,重点介绍用 Win Inet类编写 FTP动态连接库及进一步调用这个动态连接库设计网络通信接口程序的方法。