---
title: "BaseViewer..::.ICallbackEventHandler..::.RaiseCallbackEvent Method "
canonical: https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_AjaxControls_BaseViewer_System_Web_UI_ICallbackEventHandler_RaiseCallbackEvent_1_bb3a7a4f.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.ICallbackEventHandler.RaiseCallbackEvent Method 
 
**Namespace:** [Aurigma.GraphicsMill.AjaxControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```
Private Sub RaiseCallbackEvent ( _eventArgument As String _
) Implements ICallbackEventHandler.RaiseCallbackEvent
```
 
```csharp
void ICallbackEventHandler.RaiseCallbackEventRaiseCallbackEvent(string eventArgument
)
```
 
### Parameters
 
 - eventArgument
     - Type: [System.String](http://msdn2.microsoft.com/en-us/s1wwdcbf)
 
### Implements
 
[ICallbackEventHandler.RaiseCallbackEvent(String)](http://msdn2.microsoft.com/en-us/k08386w1)
   
## 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)