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.v21.2.dll

NuGet Package: DevExpress.Uwp.Controls

Declaration

C#

public PdfZoomMode ZoomMode { get; set; }

VB.NET

Public Property ZoomMode As PdfZoomMode

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.