NSScrollWheel A scroll-wheel event. Declarationstatic const NSEventType NSScrollWheel; See AlsoDeprecatedNSLeftMouseDownNSLeftMouseUpNSRightMouseDownNSRightMouseUpNSOtherMouseDownNSOtherMouseUpNSMouseMovedNSLeftMouseDraggedNSRightMouseDraggedNSOtherMouseDraggedNSMouseEnteredNSMouseExitedNSCursorUpdateNSKeyDownNSKeyUp