---
title: "History..::.clearUndo Method "
canonical: https://www.graphicsmill.com/docs/gm5/M_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_History_clearUndo.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/)

# History.clearUndo Method 
 
Discards the undo history.
 
**Namespace:** [Aurigma.GraphicsMill.AjaxControls.VectorObjects.RedoUndo](https://www.graphicsmill.com/docs/gm5/N_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls.VectorObjects (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```
function clearUndo();
```
 
## Remarks
  
This method corresponds to [History.ClearUndo()](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_History_ClearUndo.htm.md) server-side member.
   
## See Also

### Reference

- [History Class](https://www.graphicsmill.com/docs/gm5/T_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_History.htm.md)
- [Aurigma.GraphicsMill.AjaxControls.VectorObjects.RedoUndo Namespace](https://www.graphicsmill.com/docs/gm5/N_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo.htm.md)