mfcdll.h中加说明:
extern "C"{
_declspec(dllexport) void ShowSum(void);
_declspec(dllexport) int Add(int,int);
}
extern "C"{
_declspec(dllexport) void ShowSum(void);
_declspec(dllexport) int Add(int,int);
}
extern "C" 再加WINAPI就可以了