public interface ICanUndoPublic Interface ICanUndopublic interface class ICanUndotype ICanUndo = interface end| CanUndo | Gets whether there are changes to undo. |
| ClearUndoHistory | Clears the undo history without performing any undo. |
| TryUndo | Tries to perform one undo step. |
| UndoAll | Undoes all possible undo steps. |