float left, float top, float width, float height,
void(*leftkey)(void *nativedata1, void *nativedata2, float data1, float data2),
void(*rightkey)(void *nativedata1, void *nativedata2, float data1, float data2),
float left, float top, float width, float height,
void(*leftkey)(void *nativedata1, void *nativedata2, float data1, float data2),
void(*rightkey)(void *nativedata1, void *nativedata2, float data1, float data2),