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PdfViewerControl.ZoomMode Property

Gets or sets the zoom mode that is applied to a PDF document. This is a dependency property.

Namespace: DevExpress.UI.Xaml.Controls

Assembly: DevExpress.UI.Xaml.Controls.v19.2.dll

Declaration

public PdfZoomMode ZoomMode { get; set; }

Property Value

Type Description
PdfZoomMode

A PdfZoomMode enumeration value.

Available values:

Name Description
FitPageLevel

Sets the largest zoom level that will allow the document page to be displayed without any scroll bars appearing.

FitWidth

Sets the largest zoom level that will allow the document page to be displayed without a horizontal scroll bar appearing.

FitHeight

Sets the largest zoom level that will allow the document page to be displayed without a vertical scroll bar appearing.

PagePreferredZoom

Sets the zoom level according to the document’s PdfPage.PreferredZoom property value.

Custom

Sets the custom document zoom factor according to the PdfViewerControl.CurrentZoomFactor property value.

Auto

Sets the zoom level depending on the PdfViewerControl.PdfViewMode property value: 1 if the PdfViewerControl.PdfViewMode property is set to PdfViewMode.Continuous; PdfZoomMode.FitPageLevel if the PdfViewerControl.PdfViewMode property is set to PdfViewMode.SinglePage.

Remarks

If the ZoomMode property is set to PdfZoomMode.PagePreferredZoom and the PdfViewerControl.PdfViewMode property is set to PdfViewMode.Continuous, the PdfViewerControl.CurrentZoomFactor property value is equal to the PdfPage.PreferredZoom property value of the first page in the document. Otherwise, if the PdfViewerControl.PdfViewMode property is set to PdfViewMode.SinglePage, the PdfViewerControl.CurrentZoomFactor property value is equal to the PdfPage.PreferredZoom property value of the current page in the document.

See Also