Function: mwheel-event-button
mwheel-event-button is a function alias for event-basic-type, defined
in subr.el.gz.
This function is obsolete since 30.1; use event-basic-type instead.
Signature
(mwheel-event-button EVENT)
Documentation
Return the basic type of the given event (all modifiers removed).
The value is a printing character (not upper case) or a symbol. EVENT may be an event or an event type. If EVENT is a symbol that has never been used in an event that has been read as input in the current Emacs session, then this function may return nil.
Aliases
mwheel-event-button (obsolete since 30.1)