Lists the values specifying the visibility of pages (Bookmarks, Thumbnails, and Attachments) displayed on the Navigation pane.
The Navigation pane is hidden.
Only the Thumbnails page is displayed on the Navigation pane.
Only the Bookmarks page is displayed on the Navigation pane. If a PDF document does not contain bookmarks the Navigation pane is hidden.
Only the Attachments page is displayed on the Navigation pane.
Attachments, Bookmarks (the page is shown if a document contains bookmarks), and Thumbnails pages are displayed on the Navigation pane.
Related API Members
The following properties accept/return PdfNavigationPanePageVisibility values:
A PdfNavigationPanePageVisibility enumeration value is returned by the PdfViewer.NavigationPanePageVisibility property.