The document’s page mode, specifying how to display the
document on exiting full-screen mode. This entry is meaningful only if the value of the PageMode entry in the catalog dictionary
is FullScreen; it is ignored otherwise. Default value: UseNone.

C# | Visual Basic | Visual C++ |
public PdfViewerFullScreenExitMode NonFullScreenPageMode { get; set; }
Public Property NonFullScreenPageMode As PdfViewerFullScreenExitMode
public: property PdfViewerFullScreenExitMode NonFullScreenPageMode { PdfViewerFullScreenExitMode get (); void set (PdfViewerFullScreenExitMode value); }