Zoom Property

FlowDocumentPageViewer.Zoom Property


Gets or sets the current zoom level for the FlowDocumentPageViewer.

Namespace:   System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public double Zoom { get; set; }

Property Value

Type: System.Double

The current zoom level, interpreted as a percentage. The default is 100.0 (a zoom level of 100%).

The zoom level is constrained by the values of the MinZoom and MaxZoom properties.

Identifier field


Metadata properties set to true


The following example shows how to use this property.

  MinZoom="50" MaxZoom="1000"
  Zoom="120" ZoomIncrement="5"
      Flow content...
FlowDocumentPageViewer flowDocPageViewer = new FlowDocumentPageViewer();

// Set zoom between 50% and 1000%.
flowDocPageViewer.MinZoom = 50;
flowDocPageViewer.MaxZoom = 1000;
// Set the zoom increment to 5%.
flowDocPageViewer.ZoomIncrement = 5;
// Set the initial zoom to 120%.
flowDocPageViewer.Zoom = 120;

FlowDocument flowDoc = new FlowDocument(new Paragraph(new Run("Flow content...")));
flowDocPageViewer.Document = flowDoc;

.NET Framework
Available since 3.0
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