| Name | Description | |
|---|---|---|
 | actionCancelled | Specifies whether the pending action has been cancelled. |
| actionIsRedo | Specifies whether actionInProcess is being redone |
| actionIsUndo | Specifies whether actionInProcess is being undone |
| actionPending | Specifies whether an action is in progress (to prevent recursion). |
| maxLength | Specifies the maximum number of UndoAction objects to keep on the undo or redo stacks. |
| mredoList | Specifies the redo stack (last element is on top). |
| mundoList | Specifies the undo stack (last element is on top). |
| spreadView | Specifies the view passed to the constructor. |