AW_BLEND, AW_HIDE, AW_CENTER, AW_HOR_POSITIVE, AW_HOR_NEGATIVE, AW_VER_POSITIVE, AW_VER_NEGATIVE): Add constants. For use by AnimateWindow().
AW_BLEND, AW_HIDE, AW_CENTER, AW_HOR_POSITIVE, AW_HOR_NEGATIVE, AW_VER_POSITIVE, AW_VER_NEGATIVE): Add constants. For use by AnimateWindow().