private static extern void glutButtonBoxFunc(TCALLBACKglutButtonBoxProc glutButtonBoxProc);
// GLUTAPI void APIENTRY glutButtonBoxFunc(void (GLUTCALLBACK *func)(int button, int state));
public static void ButtonBoxFunc(TCALLBACKglutButtonBoxProc glutButtonBoxProc)
{
glutButtonBoxFunc(glutButtonBoxProc);
}