Zoom Property

DocumentViewer.Zoom Property


Gets or sets the document zoom percentage.

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

public double Zoom { get; set; }

Property Value

Type: System.Double

The zoom percentage expressed as a value, 5.0 to 5000.0. The default is 100.0, which corresponds to 100.0%.

Setting this property causes the DocumentViewer control to zoom to the specified value.

The Zoom property must be a value between 5.0 to 5000.0 (inclusive), which corresponds to a percentage range 5.0% to 5000.0%.

Actions or commands that require a layout update may change the Zoom property setting. For example, changing the value of MaxPagesAcross, calling the FitToHeight method, or invoking the FitToHeightCommand can cause the Zoom setting to change.

Identifier field


Metadata properties set to true


.NET Framework
Available since 3.0
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