C++与C#交互 http://www.cnblogs.com/lancidie/archive/2011/01/31/1948430.html http://www.cnblogs.com/ly4cn/archive/2006/04/12/373494.html http://blog.csdn.net/woyaowenzi/article/details/4581655 用托管C++包装现有的DLL，供C#调用