NSWindowExposedEventType A non-retained NSWindow has been exposed. Declarationstatic const NSEventSubtype NSWindowExposedEventType; See AlsoDeprecatedNSAWTEventTypeNSApplicationActivatedEventTypeNSApplicationDeactivatedEventTypeNSMouseEventSubtypeNSPowerOffEventTypeNSScreenChangedEventTypeNSTabletPointEventSubtypeNSTabletProximityEventSubtypeNSTouchEventSubtypeNSWindowMovedEventType