---
title: "BitmapViewer..::.ActualSizeHorizontalScale Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BitmapViewer_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/)

# BitmapViewer.ActualSizeHorizontalScale Property 
 
Gets a value which represents the ratio of screen horizontal resolution to the image 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 Overrides ReadOnly Property ActualSizeHorizontalScale As Single
```
 
```csharp
[BrowsableAttribute(false)]
public override float ActualSizeHorizontalScale { get; }
```
 
### Property Value
The value which represents the ratio of screen horizontal resolution to the image resolution.
 
## Remarks
  
This property is used to determine how strong the image width was resized to be scaled to its actual size.
 
If the [ScaleToActualSize](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BitmapViewer_ScaleToActualSize.htm.md) property is set to **false** the ActualSizeHorizontalScale property will be equal to 1.0.
   
## See Also

### Reference

- [BitmapViewer Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_AjaxControls_BitmapViewer.htm.md)
- [Aurigma.GraphicsMill.AjaxControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_AjaxControls.htm.md)
- [BitmapViewer.ActualSizeVerticalScale](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BitmapViewer_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)