这是一个简单的防火墙，可以拦截一些危险东西，还可以显示来源IP，只是这是个英文版的，可能有点不好用。-This is a simple firewall can block some dangerous things that can also display the source IP, but this is the English version, may be a bit bad to use.

用VB6.0ping对方的计算机源码，介绍VB调用系统API函数的使用！-VB6.0ping each other" s computer source code used to introduce the VB call the system API functions to use!

系统N+1备份通用类 应用于需要安全保证的项目. 多用于电视台播出端-a backup system N generic class needs security guarantees for projects. For more broadcast-

著名的注册表比较的小软件的源程序，希望对你有帮助

射频卡支持ISO1443A协议,对学习射频读卡的开发有十分的作用.-RF card supports ISO1443A agreement, on learning of the development of radio frequency card reader has a very role.

modebus simulator.open source.

通过读取MSStorageDriver_ATAPISmartData获得硬盘温度和使用时间-MSStorageDriver_ATAPISmartData access to the hard disk by reading the temperature and time

在windows下对串口进行操作与控制，可以读写任一串口。-In the windows serial port under the operation and control, you can read and write either a serial port.

自己写的一个控件，支持自定义格式剪贴板。-himself in a control, support from the definition format clipboard.

tells you how to do the timer