---
title: "BitmapViewer..::.actualSizeVerticalScale Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BitmapViewer_actualSizeVerticalScale.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.actualSizeVerticalScale Property 
 
Gets a value which represents the ratio of screen vertical resolution to the image resolution.
 
**Namespace:** [GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill.AjaxControls (in Aurigma.GraphicsMill.AjaxControls.dll)
 
## Syntax
  
```
function get_actualSizeVerticalScale();
```
 
### Property Value
The value which represents the ratio of screen vertical resolution to the image resolution.
 
## Remarks
  
This property is used to determine how strong the image height was resized to be scaled to its actual size.
 
If the [scaleToActualSize](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BitmapViewer_scaleToActualSize.htm.md) property is set to **false** the actualSizeVerticalScale property will be equal to 1.0.
 
This property corresponds to [BitmapViewer.ActualSizeVerticalScale](https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_AjaxControls_BitmapViewer_ActualSizeVerticalScale.htm.md) server-side member.
   
## See Also

### Reference

- [BitmapViewer Class](https://www.graphicsmill.com/docs/gm5/T_J_GraphicsMill_BitmapViewer.htm.md)
- [GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_J_GraphicsMill.htm.md)
- [BitmapViewer.actualSizeHorizontalScale](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BitmapViewer_actualSizeHorizontalScale.htm.md)
- [BitmapViewer.scaleToActualSize](https://www.graphicsmill.com/docs/gm5/P_J_GraphicsMill_BitmapViewer_scaleToActualSize.htm.md)