FlowDocumentReader.MaxZoom Property


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

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

Public Property MaxZoom As 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%).

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.

Identifier field


Metadata properties set to true


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
Available since 3.0
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