C# 调用c++编译dll

 

[DllImport("名称（）.dll或者dll地址", EntryPoint = "c++函数名", CharSet = CharSet.Ansi, ExactSpelling = false, CallingConvention = CallingConvention.StdCall)]

全局声明一个委托  static extern int 上面那个C++函数名(对应参数签名);