#define EXPORT extern "C" __declspec(dllexport) #define CLASS_NAME "spy" #define TITLE_NAME "spy ver0.1" #define WM_KEYHOOK (WM_USER+100) EXPORT LRESULT CALLBACK MyHookProc(int, WPARAM, LPARAM); EXPORT BOOL MySetHook(void); EXPORT BOOL MyEndHook(void);