1. 使用__declspec(dllexport)

Header File#ifdef WINHOOKLIB_EXPORTS
#define WINHOOKLIB_API __declspec(dllexport)
#else
#define WINHOOKLIB_API __declspec(dllimport)
#endif
BOOL WINHOOKLIB_API SetKeyboardHook(BOOL bInstall, DWORD dwThreadId = 0, HWND hWndCaller = NULL);
2. 使用def文件 exports
EXPORTS
SetKeyboardHook
3. 在link中使用/EXPORT 说明
#pragma comment(linker,"/EXPORT:SetKeyboardHook")