---
title: "BaseViewer Events"
canonical: https://www.graphicsmill.com/docs/gm5/Events_T_Aurigma_GraphicsMill_AjaxControls_BaseViewer.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/)

# BaseViewer Events
 
The [BaseViewer](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_BaseViewer.htm.md) type exposes the following members.
 
## Events

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [DataBinding](http://msdn2.microsoft.com/en-us/6h0fs4kf) |  (Inherited from [Control](http://msdn2.microsoft.com/en-us/983zwx2h).) |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [Disposed](http://msdn2.microsoft.com/en-us/248yxdas) |  (Inherited from [Control](http://msdn2.microsoft.com/en-us/983zwx2h).) |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [Init](http://msdn2.microsoft.com/en-us/ddx12zse) |  (Inherited from [Control](http://msdn2.microsoft.com/en-us/983zwx2h).) |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [Load](http://msdn2.microsoft.com/en-us/abk3yt37) |  (Inherited from [Control](http://msdn2.microsoft.com/en-us/983zwx2h).) |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [PreRender](http://msdn2.microsoft.com/en-us/768a7bzf) |  (Inherited from [Control](http://msdn2.microsoft.com/en-us/983zwx2h).) |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [Scrolled](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_AjaxControls_BaseViewer_Scrolled.htm.md) |  Fires when scroll position of the control is changed. |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [Unload](http://msdn2.microsoft.com/en-us/fxf48ycz) |  (Inherited from [Control](http://msdn2.microsoft.com/en-us/983zwx2h).) |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [WorkspaceChanged](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_AjaxControls_BaseViewer_WorkspaceChanged.htm.md) |  Occurs when the content of the associated workspace is replaced. |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [WorkspaceClick](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_AjaxControls_BaseViewer_WorkspaceClick.htm.md) |  Occurs when a mouse button is clicked on the content displayed by this viewer control. |
 |  ![Public event](https://www.graphicsmill.com/docs/gm5/icons/pubevent.gif) |  [Zoomed](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_AjaxControls_BaseViewer_Zoomed.htm.md) |  Fires when zoom or zoom mode of the control is changed. |
   
## See Also

### Reference

- [BaseViewer Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_BaseViewer.htm.md)
- [Aurigma.GraphicsMill.AjaxControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls.htm.md)