---
title: "BitmapViewer..::.RaisePostDataChangedEvent Method "
canonical: https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_WebControls_BitmapViewer_RaisePostDataChangedEvent.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/)

# BitmapViewer.RaisePostDataChangedEvent Method 
 
Signals the server control object to notify the ASP.NET application that the state of the control has changed. No need to use this method explicitly.
 
**Namespace:** [Aurigma.GraphicsMill.WebControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WebControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WebControls (in Aurigma.GraphicsMill.WebControls.dll)
 
## Syntax
  
```
Public Overrides Sub RaisePostDataChangedEvent
```
 
```csharp
public override void RaisePostDataChangedEvent()
```
 
### Implements
 
[IPostBackDataHandler.RaisePostDataChangedEvent()](http://msdn2.microsoft.com/en-us/6d3sa6w6)
 
## Remarks
  
This method is called by ASP.NET infrastructure. No need to use it directly.
   
## See Also

### Reference

- [BitmapViewer Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WebControls_BitmapViewer.htm.md)
- [Aurigma.GraphicsMill.WebControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WebControls.htm.md)