说明：  Visual C++网络高级编程本书在对Visual C++各种编程技术和TCP/IP进行系统介绍的基础上，重点讲解网络编程的高级应用、使用技巧和难点。包括基本网络编程技术，Telnet协议的实现，HTTP协议的实现，FTP协议的实现，文件下载，UDP协议的实现，ICMP协议的实现，PPP协议的实现，代理服务器的实现，ATL、DCOM、ActiveX技术，网络安全，多媒体网络编程等。 对于每个主题，书中都给出其开发要领及应用的实例和技巧，本书主要面向具有一定Visual C++网络编程基础并希望深入研究网络编程技术的读者。
(Advanced Visual C++ network programming book on the basis of Visual C++ programming techniques and a variety of TCP/IP on a systematic introduction to highlight network programming advanced applications, tips and difficulty. Including basic network programming technology, Telnet protocol to achieve the HTTP protocol, FTP protocol implementations, file downloads, realize the UDP protocol, ICMP protocol to achieve, achieve PPP protocol to achieve a proxy server, ATL, DCOM, ActiveX technology , network security, multimedia network programming. For each topic, the book gives examples of which are essentials and skills development and application, this book mainly for Visual C++ has some basic network programming and want to delve into the reader network programming technology.)