designated sender mail to designated users. Also some other simple code

用C编的一个小程序，基于Socket的基础编程，局域网连接，具有多线程-C-series with a small procedure, based on the basis of Socket programming, LAN connectivity, with multi-threaded

try to punch hole in firewalls via UDP

这是一个集客户端和服务端一身的网络传输小程序，传输速度蛮快的。-This is a client and server of a network of small procedures, transmission speed pretty fast.

漂亮的图形化的PING：）-beautiful graphics of PING :)

一个自己写的HTML代码下载工具，支持代理，主要是演示SOCKET通信。-A HTML code downloader, support proxy. It s a demo to winsock.

一个支持SMTP(Simple Message Transfer Protocol)的MFC类，用于电子邮件的传输(20KB)-a support SMTP (Simple Message Transfer Protocol), the MFC category, for e-mail transmission (20KB)

里面包括五个源码，有简单的计算器程序，UDP实现网络广播-Which includes five-source, has a simple calculator program, UDP realize Webcast

Windows+TDI过滤驱动开发,非常好的代码,欢迎下载-Windows+ TDI filter driver development

这是一个Ping程序，它是一个Winsole程序，因此在编译成功后，应该打开“开始”菜单的“运行”对话框然后单击“浏览”按钮，在该工程Debug和Release目录下得到可执行文件的路径和文件名，并在后面加入命令行参数：要Ping的IP地址。--This is a Ping program, it is a Winsole program, After compiled successfully, you may open the "running" dialog box of "start" menu, then click "browse" button, you can get path and execution filename at Debug and Release catalog of this project.Command parameter is added after it:IP address of you need ping

采用VC6的以太网测试源码，里面有服务器端和客户端的源码-Ethernet Testing using VC6 source code, which are server-side and client-side source code