---
title: "MultiLayerViewer..::.UndoRedoEnabled Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_WinControls_MultiLayerViewer_UndoRedoEnabled.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# MultiLayerViewer.UndoRedoEnabled Property 
 
Enables or disables the undo/redo functionality.
 
**Namespace:** [Aurigma.GraphicsMill.WinControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WinControls.VectorObjects (in Aurigma.GraphicsMill.WinControls.VectorObjects.dll)
 
## Syntax
  
```
<BrowsableAttribute(True)> _
Public Property UndoRedoEnabled As Boolean
```
 
```csharp
[BrowsableAttribute(true)]
public bool UndoRedoEnabled { get; set; }
```
 
### Property Value
A value specifying whether the undo/redo functionality should be enabled or not.
 
### Implements
 
[IStateNavigable.UndoRedoEnabled](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_IStateNavigable_UndoRedoEnabled.htm.md)
 
## Remarks
  
Use this property to disable the undo/redo functionality for some time. It is useful when you apply some set of effects or draw a number of shapes as a single atomic operation. In this case you likely do not want to undo sub-operations, but need to undo the entire operation at once.
   
## See Also

### Reference

- [MultiLayerViewer Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_MultiLayerViewer.htm.md)
- [Aurigma.GraphicsMill.WinControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)