• Change Notification

• Registering for Observation

• Notifying Observers of Changes

• Observing Customization

• automaticallyNotifiesObserversForKey:

• keyPathsForValuesAffectingValueForKey:

• addObserver:forKeyPath:options:context:

• didChange:valuesAtIndexes:forKey:

• didChangeValueForKey:

• didChangeValueForKey:withSetMutation:usingObjects:

• observationInfo

• observeValueForKeyPath:ofObject:change:context:

• removeObserver:forKeyPath:

• setObservationInfo:

• willChange:valuesAtIndexes:forKey:

• willChangeValueForKey:

• willChangeValueForKey:withSetMutation:usingObjects:

• NSKeyValueChange

• NSKeyValueObservingOptions

• Keys used by the change dictionary

• NSKeyValueSetMutationKind

• Deprecated in Mac OS X v10.5 and later

• setKeys:triggerChangeNotificationsForDependentKey: