CRC校验VB源码，直接可以使用，有注释

CAsyncSocketEx，一个很好用的CAsyncSocket扩展类-CAsyncSocketEx, a very easy to use CAsyncSocket expansion class

利用winsock所编写的异步网络通信例程-prepared by the protocols of the use of asynchronous network communications routines

使用XML和.NET编写的天气查询系统，运行界面为网叶。-The use of XML and. NET prepared weather Inquiry System, run interface for network leaf.

P2P之UDP穿透NAT的原理与实现源代码，有VC实现的网络编程-P2P UDP penetrate NAT Zhi Theory and implementation of the source code, the VC Network Programming

用vc++演示电子邮件收发的实例程序源代码-Using vc++ demo to send and receive e-mail source code examples

一个Client/Server Socket类 -An Socket class of Client and Server

一个简单的酒店管理系统，实用了数据库存储信息。可以进行酒店的预定，查询。房间的查询，预定等。

SOCKET通信方面的很实用的程序 很经典-SOCKET communications procedure is very practical classic

比较高级的实用的网络配置工具，不是用控制面板的“网络”工具就可以实现网卡的配置，在有些情况下非常有用！使用了dll,注册表。此程序完整，稍加改动即可实用。 网络签名：lovenets.timessoft.com-comparison of practical network configuration tool, not a control panel "network" tool can be achieved NIC configuration, in some cases very useful! Dll used, the registry. This integrity of the process, a little change can be practical. Network Signed : lovenets.timessoft.com

特别说明，A UDP-based Reliable Data Transfer Library源码非原创，详细说明见压缩包里的“说明”word文档-in particular, A UDP-based Reliable Data Transfer Library source of non-original, detailed description of the compression bag "note" word document