Posted by a pasteboard object when its contents change.
- iOS 3.0+
- Mac Catalyst 13.0+
This happens at the same time the pasteboard’s change count (
change property) is incremented. Changes include the addition, removal, and modification of pasteboard items. The
user dictionary may contain the representation types of pasteboard items that have been added to or removed from the pasteboard. See UserInfo Dictionary Keys for the keys used to access these representation types. If pasteboard items have been modified but not added or removed, the
user dictionary is