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Specifies how the document should be displayed when opened.
public enum PageMode
Automatic = 0Document outline visible if available.
FullScreen = 4Full-screen mode, with no menu bar, window controls, or any other window visible.
UseAttachments = 6(PDF 1.6) Attachments panel visible.
UseNone = 1Neither document outline nor thumbnail images visible.
UseOC = 5(PDF 1.5) Optional content group panel visible.
UseOutlines = 2Document outline visible.
UseThumbs = 3Thumbnail images visible.