一个C#写的类库及调用例子，CDemoLib目录中是DLL文件的例子，CDemoTest目录中是调用DLL的例子源代码，程序较简单，仅供参考，源代码可以vs2008下顺利编译-Write a C# class library and call examples CDemoLib directory is the example of the DLL file, CDemoTest directory is calling the DLL source code of example, the p