NSKeyValueChange
The kinds of changes that can be observed.
Declaration
enum NSKeyValueChangeOverview
These constants are returned as the value for a kindKey key in the change dictionary passed to observeValue(forKeyPath:of:change:context:) indicating the type of change made.
Topics
Constants
NSKeyValueChange.settingNSKeyValueChange.insertionNSKeyValueChange.removalNSKeyValueChange.replacement