chickadee » sdl2 » mouse-wheel-event-window-id-set!

mouse-wheel-event-window-id eventprocedure
set! (mouse-wheel-event-window-id event) valsetter
mouse-wheel-event-window-id-set! event valsetter

Get or set the event's "window-id" field, as an integer indicating the ID number of the sdl2:window that had mouse focus at the time this event occurred, or 0 if no sdl2:window had mouse focus.