---
title: "HistoryData..::.Enable Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_HistoryData_Enable.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/)

# HistoryData.Enable Property 
 
Gets or sets the value indicating if the undo/redo functionality is enabled.
 
**Namespace:** [Aurigma.GraphicsMill.AjaxControls.VectorObjects.RedoUndo](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls.VectorObjects (in Aurigma.GraphicsMill.AjaxControls.VectorObjects.dll)
 
## Syntax
  
```
Public Property Enable As Boolean
```
 
```csharp
public bool Enable { get; set; }
```
 
### Property Value
 
The [Boolean](http://msdn2.microsoft.com/en-us/a28wyd50) value specifying whether the undo/redo functionality should be enabled or not.
   
## See Also

### Reference

- [HistoryData Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_HistoryData.htm.md)
- [Aurigma.GraphicsMill.AjaxControls.VectorObjects.RedoUndo Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo.htm.md)