NSMouseEntered A mouse-entered event. Declarationstatic const NSEventType NSMouseEntered; See AlsoDeprecatedNSLeftMouseDownNSLeftMouseUpNSRightMouseDownNSRightMouseUpNSOtherMouseDownNSOtherMouseUpNSMouseMovedNSLeftMouseDraggedNSRightMouseDraggedNSOtherMouseDraggedNSMouseExitedNSCursorUpdateNSKeyDownNSKeyUpNSFlagsChanged