---
title: "ViewerClientSideOptions Class"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_ViewerClientSideOptions.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/)

# ViewerClientSideOptions Class
 
Exposes properties which configure automatic postback for individual events of the [BaseViewer](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_BaseViewer.htm.md) control.
 
**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
  
```
Public Class ViewerClientSideOptions
```
 
```csharp
public class ViewerClientSideOptions
```
 
## Remarks
  
Instances of the ViewerClientSideOptions class are returned by the [BaseViewer.ClientSideOptions](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BaseViewer_ClientSideOptions.htm.md) property.
 
Each property of this class enables or disables automatic postback for appropriate event. However if the [BaseViewer.AutoPostBack](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BaseViewer_AutoPostBack.htm.md) value is **true**, automatic postback occurs regardless of these properties values.
 
## Inheritance Hierarchy
  
- [System.Object](http://msdn2.microsoft.com/en-us/e5kfa45b)
    - Aurigma.GraphicsMill.AjaxControls.ViewerClientSideOptions
 
## Thread Safety
 Static members of this type are safe for multi-threaded operations. Instance members of this type are not safe for multi-threaded operations.
   
## See Also

### Reference

- [ViewerClientSideOptions Members](https://www.graphicsmill.com/docs/gm5/AllMembers_T_Aurigma_GraphicsMill_AjaxControls_ViewerClientSideOptions.htm.md)
- [Aurigma.GraphicsMill.AjaxControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls.htm.md)