zoomRatio Property


Ratio to use when zooming the view in or out.


JavaScript Syntax
Object.defineProperty(DocumentViewerView.prototype, 'zoomRatio', 
	get: function(), 
	set: function(value) 
TypeScript Syntax
zoomRatio: number; 

Property Value

The ratio to use when zooming the view in or out. Default value is 1.2 (120 percent). Must be a value greater than 0.


This value is used when the ViewZoomIn or ViewZoomOut are run. Change the value if the default of 120 percent is not suitable for your application.

The document viewer will invoke the following when zooming in or out:

imageViewer.Zoom(controlsizemode.none, value, imageViewer.DefaultZoomOrigin)

Where __ value is imageViewer.ScaleFactor * ZoomRatio when zooming in and imageViewer.ScaleFactor / ZoomRatio when zooming out.


Target Platforms

Help Version 19.0.2017.10.27
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