MOUSE_HWHEELED     33 src/w32inevt.c #ifndef MOUSE_HWHEELED
MOUSE_HWHEELED    538 src/w32inevt.c     case MOUSE_HWHEELED:
MOUSE_HWHEELED    550 src/w32inevt.c 	  flags == MOUSE_HWHEELED ? HORIZ_WHEEL_EVENT : WHEEL_EVENT;