使用TClientSocket和TServerSocket写的端口映射

不完美-Not perfect

取得计算机网卡物理地址的步骤：1）列举所有的网卡2）分别重置每块卡以取得它的正确信息3）查询网卡，取得MAC地址-made computer card physical address steps : 1) lists all the card 2), respectively replacement every piece of card to obtain the correct information 3) card inquiries made MAC address

vc6.0实现的smtp代理客户端程序，可添加附件，实现抄送功能。-Deputy vc6.0 realize the smtp client program, can add attachments, cc realize function.

直接用socket实现HTTP协议(下载专用) 作者:北方工业大学2000级计算机4班 querw 从HTTP服务器上下载一个文件有很多方法,"热心"的微软提供了WinInet类,用起来也很方便.当然,我们也可以自己实现这些功能,通过格式化请求头很容易就能实现断点续传和检查更新等等功能.- Straight takes over the use of socket to realize the HTTP agreement (special-purpose downloading) the author: North industrial university 2,000 levels of computers 4 class of querw downloaded a document from the HTTP server to have very many methods, the "warm-hearted" Microsoft has provided the WinInet kind, used very to be also convenient Certainly, we also may own realize these functions, is very easy through formatted request to be able to realize the break point to continue passes on and inspects renewal and so on function

网络- Network

根据IP地址计算广播地址(其中包括一些常用的简单算法，一看会明白了！)-Calculated in accordance with IP address broadcast address (including some commonly used a simple algorithm, one will understand the look!)

MFC下的文件传输的例子-the MFC example file transfer

这是一个用vC++开发的八十分源码! 但是还没完全开发好. 有兴趣的可以参考一下 -This is a used vC++ Developed eight great source! But not yet fully developed well. Are interested can refer to

Creating an Email Client with Borland Delphi-Creating an Email Client with Borland Delphi

一个用java实现的简单聊天室，仅供初学者参考 参考-using java to achieve a simple chat room is for beginners information.