wpf-devexpress-dot-xpf-dot-documentviewer-dot-documentviewercontrol-fc9b1ece.md
Specifies the current document zoom factor. This is a dependency property.
Namespace : DevExpress.Xpf.DocumentViewer
Assembly : DevExpress.Xpf.DocumentViewer.v25.2.Core.dll
NuGet Package : DevExpress.Wpf.DocumentViewer.Core
public double ZoomFactor { get; set; }
Public Property ZoomFactor As Double
| Type | Description |
|---|---|
| Double |
A Double value that specifies the document zoom factor.
|
This property affects the ZoomMode property’s behavior. The zoom mode switches to Custom when you specify the ZoomFactor property.
The ZoomFactor property’s default value is 1 (corresponds to 100% ), the minimum value is 0.1 ( 10% ), the maximum value is 5 ( 500% ).
You can use the Document Preview‘s toolbar commands to specify the document zoom factor.
Alternatively, specify this property from code as shown below.
using DevExpress.Xpf.Printing;
//...
documentPreviewControl.ZoomFactor = 5;
//...
Imports DevExpress.Xpf.Printing
'...
documentPreviewControl.ZoomFactor = 5
'...
You can also specify the ZoomFactor property in XAML.
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:dxp="http://schemas.devexpress.com/winfx/2008/xaml/printing">
...
<dxp:DocumentPreviewControl ZoomFactor="5" />
</Window>
The following code snippets (auto-collected from DevExpress Examples) contain references to the ZoomFactor property.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.
wpf-pdf-viewer-draw-a-rectangle-over-a-document/CS/MainWindow.xaml#L27
Grid.ColumnSpan="2"
ZoomFactor="0.7">
<dxmvvm:Interaction.Behaviors>
wpf-pdf-viewer-replace-standard-command-with-custom-command/CS/MainWindow.xaml.cs#L37
foreach (var zoomFactor in factors) {
if (Control.ZoomFactor < zoomFactor) {
Control.ZoomFactor = zoomFactor;
wpf-pdf-viewer-replace-standard-command-with-custom-command/VB/MainWindow.xaml.vb#L56
For Each zoomFactor In Me.factors
If Me.Control.ZoomFactor < zoomFactor Then
Me.Control.ZoomFactor = zoomFactor
See Also