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VC6.0实现的，只能有一个程序实例运行的例子程序。两套实现方案。一个使用互斥对象，一个使用找到窗口句柄(VC6.0 achieved, there can be only one instance to run the example program. Two implementations. Use of a mutex object, a window handle to use to find)

C++程序设计，希望能对大家有帮助，里面有很多值得我们学习的东西(C++ programming, we hope that it can be helpful, there are many things we can learn)

一个MFC编写的PING程序，无解压密码(MFC prepared a PING procedures, without decompression password)

开源vpn openswan的代码分析与注释。(Open vpn openswan code analysis and comment.)

Windows驱动开发技术详解 第三章源码(Detailed Windows driver development techniques Chapter Source)

说明：  VC资料，内容齐全，是每个程序言的必读书目，也是我们成为一个高级软件工程师的必学知识。(VC is good！)

说明：  关于所有矩阵运算的,可以提供给涉及到定位时用到举证,有很好的参考价值(All matrix operations can be used as proof when it comes to location, which has a good reference value.)

ISIGHT初级、中级和高级培训教程及例子代码(ISIGHT beginner, intermediate and advanced training tutorials and example code)

Effective C++ 非常经典的C++书籍，基本上学C++的人没有不知道这本书的。书中介绍了55个准则，每一条准则描述一个编写出更好的C++的方式。(Effective C++ is the classic C++ books, basically learning C++, people do not know this book. The book describes 55 guidelines, each guideline describes a write better C++ way.)

c#加载网页屏幕截图，简单好用的代码。方便需要抓屏的用户(c# web screen capture)