Instance Property
undoManager
The undo manager provided by the parent, or nil when none is available.
Declaration
var undoManager: UndoManager? { get }Declaration
@property (nonatomic, readonly) NSUndoManager * undoManager;Declaration
undoManager() -> NSUndoManagerSee Also
Change Tracking
Notifies the parent that an element changed.
The undo manager provided by the parent when undo registration is enabled, or
nilotherwise.