---
title: "BaseViewer..::.ActualSizeHorizontalScale Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BaseViewer_ActualSizeHorizontalScale.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.ActualSizeHorizontalScale Property 
 
Gets a value which represents the ratio of screen horizontal resolution to the content resolution.
 
**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
  
```
<BrowsableAttribute(False)> _
Public Overridable ReadOnly Property ActualSizeHorizontalScale As Single
```
 
```csharp
[BrowsableAttribute(false)]
public virtual float ActualSizeHorizontalScale { get; }
```
 
### Property Value
The value which represents the ratio of screen horizontal resolution to the content resolution.
 
## Remarks
  
This property is used to determine how strong the content width was resized to be scaled to its actual size.
 
By default this property equals to 1.0 and should be overriden in the inherited class.
   
## 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)
- [BaseViewer.ActualSizeVerticalScale](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BaseViewer_ActualSizeVerticalScale.htm.md)
- [BitmapViewer.ScaleToActualSize](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BitmapViewer_ScaleToActualSize.htm.md)

### Manual

- [Displaying Image in BitmapViewer (AJAX Controls)](https://www.graphicsmill.com/docs/gm5/AjaxControlsDisplayingImageinBitmapViewer.htm.md)