Sets a value indicating whether the undo buffer is active or not.
Introduced: X18.
<void> TXTextControl.setAllowUndo(<boolean> allowUndo, [<EmptyRequestCallback> callback], [<ErrorCallback> errorCallback])| Parameter | Description |
|---|---|
| allow |
Specifies whether the undo buffer is active or not. |
| callback | Optional. Is called when the operation completed. |
| error |
Optional. Is called when the operation failed with an error. |