- joy-ball-event-which eventprocedure
- set! (joy-ball-event-which event) valsetter
- joy-ball-event-which-set! event valsetter
Get or set the event's "which" field, as an integer indicating the device index of the joystick that the event is related to.
Get or set the event's "which" field, as an integer indicating the device index of the joystick that the event is related to.