Properties for managing viewer preferences:

	CenterWindow	This property gets or sets the value indicating whether the PDF reader should center the document on the screen.
	FitWindow	This property gets or sets the value indicating whether to resize the document's window to fit the size of the first displayed page.
	HideViewerMenuBar	This property gets or sets the value indicating whether the PDF reader should hide a menu.
	HideViewerToolBar	This property gets or sets the value indicating whether the PDF reader should hide tool bars.
	HideViewerUI	This property gets or sets the value indicating whether the PDF reader should hide all user interface elements, except navigation elements.
	InitialZoom	This property gets or sets the zoom level to use when the document is opened.
	InitialZoomPercent	This property gets or sets the zoom level (as a percentage) to use when the document is opened.
	ViewerMode	This property gets or sets viewing modes when the document is opened.
	ViewerPageLayout	This property gets or sets the value indicating the layout of the document when opened.