didRedoChange
An identifier for a message about an undo manager having performed a redo.
Declaration
static var didRedoChange: NotificationCenter.BaseMessageIdentifier<UndoManager.DidRedoChangeMessage> { get }Discussion
Use this identifier with NotificationCenter’s addObserver(of:for:using:) or messages(of:for:bufferSize:) methods to observe messages of type UndoManager.DidRedoChangeMessage.