这是从classicladder分离出来的PLC模拟程序，对于从事PLC开发有很重要的参考价值！...

使用代码安全移除当前加入到系统中的U盘或其它USB设备。VC6.0下调试通过.-use security codes to remove the current system of the U disk, or other USB devices. VC6.0 debugging through.

按照离散余弦变换的定义编写的C++程序，可以在VC上运行-DCT C++

操作系统的页面置换算法编程，页面管理与虚拟空间与物理空间的管理算法-The operating system page replacement algorithm for programming, the page management and virtual space and physical space management algorithm

NT Service管理程序 -Managing NT Service

这个程序可以在操作系统的控制面板中创建属于自己的程序图标。把自己的程序中的一些参数设置和控制内容添加到操作系统中的控制面板里，显的很是专业哦。-This procedure can be the operating system" s control panel to create their own program icon. His own program to set up and control the content of some of the parameters added to the operating system control panel, the very obvious is a professional oh.

Shell编程相关代码，操作ITEMIDLIST类-Shell programming code, operate like ITEMIDLIST

Windows核心编程第5版(PDF)及源码.windows核心编程是讲解Windows操作系统内部机制的一本专著。作者从基本概念入手，全面系统地介绍了Windows底层实现机制、Windows

这是一个关于水文方面的系统。里面测报软件和短信收发软件。-This is a study on the hydrological aspects of the system. Inside the monitoring software and software to send and receive message.

键能发音，其关键就是让程序能够知道当前键盘上是哪个键被按下，并播放相应的声音,自己的程序当然不在话下，那么其它程序当前按下哪个键如何得知呢？利用键盘钩子便可以很好地解决。-Key to pronunciation, the key is to let the process be able to know the current keyboard on which keys are pressed, and play the corresponding sound, of course, not to mention its own procedures, then press any other key to the current procedure How do I know this? Use the keyboard hook can be a good solution.

使用Csharp基于.net framework2.0做的一个时钟程序，供初学者参考。-The use of C sharp. Net framework2.0 to do a clock program for advanced users.