a call Api Functions example, control loudspeaker audible.

获取CPU占用率-access to CPU utilization rate

该程序主要提供了windows平台下的，系统服务功能,该代码简练,深刻,需要做windows服务功能的可以好好研究一下.-The program provides a major under windows platform, the system service function, the code concise and profound, the need to make windows service functions can be a good look.

打开/关闭CDROM- Opens/closes CDROM

图文菜单很漂亮的VC示例工程源码，程序左侧实现资源管理器式的图文并茂菜单-Photo menu is pretty VC sample source projects, procedures realize the left side of Explorer-style menu with the aid of diagrams

演示如何创建，启动，停止和删除NT的服务-demonstrate how to create ,start, stop and delete NT service

获取系统硬件信息源代码，该程序可以获取硬盘、网卡、主板等各种硬件的基本信息。采用vc实现。-information access system hardware source code, the program can access hard drive, Ethernet, motherboards and other hardware basic information. Vc used to achieve.

这个程序可恢复在Activate Driectory下不小心删除的用户账户和组账户.-the process to resume under the Activate Driectory careful not to delete user accounts and group accounts.

note book source code

c#实现的查看网络连状态的小程序 很实用-c# realize the View network status applet very useful

WINDOWS印刷控制类库-WINDOWS printing control library