ZoomRatio Property

Ratio to use when zooming the view in or out.

Syntax

public virtual double ZoomRatio {get; set;}

'Declaration

Public Overridable Property ZoomRatio As Double

'Usage

Dim instance As DocumentViewerView
Dim value As Double
 
instance.ZoomRatio = value
 
value = instance.ZoomRatio

public:
virtual property double ZoomRatio {
   double get();
   void set (    double 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.

Remarks

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:

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

Requirements