PdfNavigationPaneVisibilityChangedEventArgs.PreviousNavigationPaneVisibility Property
Gets the previous value of the PdfViewer.NavigationPaneVisibility property.
Namespace: DevExpress.XtraPdfViewer
Assembly: DevExpress.XtraPdfViewer.v18.2.dll
Declaration
Property Value
Type | Description |
---|---|
PdfNavigationPaneVisibility | A PdfNavigationPaneVisibility enumeration value defining the visibility of a navigation pane. |
Available values:
Name | Description |
---|---|
Default | When this option is specified for the PdfViewer.NavigationPaneInitialVisibility property, it sets the PdfViewer.NavigationPaneVisibility property either to Visible (a document contains bookmarks) or to Collapsed (a document does not have bookmarks and attachments tab is shown in the collapsed state). This option is not supported for the PdfViewer.NavigationPaneVisibility property (the ArgumentOutOfRangeException is thrown). |
Hidden | The PDF navigation pane is hidden. |
Collapsed | The PDF navigation pane is collapsed. |
Visible | This navigation pane is displayed. |
Expanded | The PDF navigation pane is expanded. |