| Name | Description | |
|---|---|---|
 | changed | Occurs when the undo action collection is changed (undo action is added/removed). |
| changing | Occurs when the undo action collection is changing (undo action is added/removed). |
| isEnabledChanged | Occurs when the value of IsEnabled property is changed. |
| navigated | Occurs when the undo manager is navigated in history (current undo action is changed). |