- handler-remove! WIDGET TYPEprocedure
Removes an event handler of TYPE for WIDGET. TYPE must be one of (mouse-over mouse-leave mouse-down mouse-up focus-gain focus-lose text-input drag-start drag-stop drag).
Removes an event handler of TYPE for WIDGET. TYPE must be one of (mouse-over mouse-leave mouse-down mouse-up focus-gain focus-lose text-input drag-start drag-stop drag).