展示了如何调用dll，使用的开发工具是vc++ 6.0，实际使用时只需要把相应的dll文件，如dllTest.dll放到相应的目录即可。-demonstrates how call dll, the use of development tools is vc 6.0, only the actual use of the dll should corresponding documents, If dllTest.dll into the appropriate directory can be.