---
title: "History Events"
canonical: https://www.graphicsmill.com/docs/gm5/Events_T_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_History.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 Events
 
The [History](https://www.graphicsmill.com/docs/gm5/T_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_History.htm.md) type exposes the following members.
 
## Events

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [changed](https://www.graphicsmill.com/docs/gm5/E_J_Aurigma_GraphicsMill_AjaxControls_VectorObjects_RedoUndo_History_changed.htm.md) |  Fires when the history is changed. |
   
## 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)