Instance Method

enableUndoRegistration()

Enables the recording of undo operations.

Declaration

func enableUndoRegistration()

Discussion

Because undo registration is enabled by default, it is often used to balance a prior disableUndoRegistration() message. Undo registration isn’t actually re-enabled until an enable message balances the last disable message in effect. Raises an NSInternalInconsistencyException if invoked while no disableUndoRegistration() message is in effect.

See Also

Enabling and Disabling Undo

func disableUndoRegistration()

Disables the recording of undo operations, whether by registerUndo(withTarget:selector:object:) or by invocation-based undo.

var isUndoRegistrationEnabled: Bool

A Boolean value that indicates whether the recording of undo operations is enabled.