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FlowDocumentReader.MaxZoom Property

Gets or sets the maximum allowable Zoom level for the FlowDocumentReader.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

Public Property MaxZoom As Double
<object MaxZoom="double" .../>

Property Value

Type: System.Double
The maximum allowable Zoom level for the FlowDocumentReader, interpreted as a percentage. The default is 200.0 (maximum zoom of 200%).

Identifier field


Metadata properties set to true


The default FlowDocumentReader user interface (UI) includes a slider that can be used to adjust the Zoom level. This property specifies the upper-limit value for the Zoom slider.

The following example shows how to set the MaxZoom attribute.

  MinZoom="50" MaxZoom="1000"
  Zoom="120" ZoomIncrement="5"
      Flow content...

The following example shows how to set the MaxZoom property programmatically.

			Dim flowDocRdr As New FlowDocumentReader()

			' Enable find...
			flowDocRdr.IsFindEnabled = True
			' Enable printing...
			flowDocRdr.IsPrintEnabled = True
			' Set zoom between 50% and 1000%.
			flowDocRdr.MinZoom = 50
			flowDocRdr.MaxZoom = 1000
			' Set the zoom increment to 5%.
			flowDocRdr.ZoomIncrement = 5
			' Set the initial zoom to 120%.
			flowDocRdr.Zoom = 120

			Dim flowDoc As New FlowDocument(New Paragraph(New Run("Flow content...")))
			flowDocRdr.Document = flowDoc

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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