Instance Property

isUndoing

Returns a Boolean value that indicates whether the receiver is in the process of performing its undo() or undoNestedGroup() method.

Declaration

var isUndoing: Bool { get }

Discussion

true if the method is being performed, otherwise false.

See Also

Checking Whether Undo or Redo Is Being Performed

var isRedoing: Bool

Returns a Boolean value that indicates whether the receiver is in the process of performing its redo() method.