Variable: mouse-wheel-up-event
mouse-wheel-up-event is a customizable variable defined in
mwheel.el.gz.
Value
mouse-5
Documentation
Event used for scrolling up.
Source Code
;; Defined in /usr/src/emacs/lisp/mwheel.el.gz
(defcustom mouse-wheel-up-event
(if (or (featurep 'w32-win) (featurep 'ns-win)
(featurep 'haiku-win) (featurep 'pgtk-win))
'wheel-down
'mouse-5)
"Event used for scrolling up."
:group 'mouse
:type 'symbol
:set 'mouse-wheel-change-button)