这是一个VB编写的邮件检查程序，通过这个程序，可以快速的对邮件进行检查...

检查一个tcp或udp端口是否被占用-Check if a tcp/udp port has been used

WinPcap API编程。实现获得指定IP范围的MAC地址。-WinPcap API programming. Achieving access to designated IP scope of the MAC address.

后台定时抓需要的链接存入数据库，用于各种网络信息的定时抓取。-background regularly grasping the need to link into databases, for a variety of network information regularly crawls.

所有网卡的地址都能获得，程序简单明了，还不快下-address all card access, procedures simple and clear, not under fast? ?

设定系统网卡各种参数，如ip,dns,相关参数。在2000下立即改变网卡参数。-card system set various parameters, such as ip, dns, the relevant parameters. In 2000 card immediately change parameters.

vtk_pointpick 实现point选取

基于c#的对于SOAP消息的实现，是.net初学者非常好的材料！

这是我辛苦编的一个JAVA程序,是关于chatroom.简单,易懂.希望能被采用.多谢管理员过目.-This is the hard part I of a Java process is on the chatroom. Simple. understandable. hope can be used. thank administrators read. Thank you

本程序是一个简单的FTP客户端，只要你安装了服务端，例如SURV_U,立即就可以运行成功。你将很快掌握FTP的要领-This procedure is a simple FTP client, as long as you installed the server, for example, SURV_U, immediately can run successfully. You will quickly grasp the essentials FTP

在linux下变写的udp程序，有客户端，服务端（都差不多不像tcp那么有明显的区别）-Under the change in the linux written udp procedures, client, server-side (not tcp then there are more or less clear distinction)