0.1 28 February, 2000 NSDistributedNotificationCenter Foundation/NSDistributedNotificationCenter.h NSObject defaultCenter notificationCenterForType:type addObserver:anObserverselector:(SEL)aSelector name:notificationName addObserver:anObserverselector:(SEL)aSelector name:notificationNameobject:(NSString *)anObject suspensionBehavior:suspensionBehavior postNotification:notification postNotificationName:notificationName postNotificationName:notificationNameobject:(NSString *)anObject userInfo:userInfo postNotificationName:notificationNameobject:(NSString *)anObject userInfo:userInfodeliverImmediately:deliverImmediately removeObserver:anObservername:(NSString *)notificationName object:anObject setSuspended:suspended suspended