PdfViewerPreferences
constructor(hideToolbar: Boolean = false, hideMenubar: Boolean = false, hideWindowUI: Boolean = false, fitWindow: Boolean = false, centerWindow: Boolean = false, displayDocTitle: Boolean = false, nonFullScreenPageMode: PageMode = PageMode.UseNone, direction: PdfViewerPreferences.ReadingDirection = ReadingDirection.LeftToRight, viewArea: PdfViewerPreferences.PageBoxName = PageBoxName.CropBox, viewClip: PdfViewerPreferences.PageBoxName = PageBoxName.CropBox, printArea: PdfViewerPreferences.PageBoxName = PageBoxName.CropBox, printClip: PdfViewerPreferences.PageBoxName = PageBoxName.CropBox, printScaling: PdfViewerPreferences.PrintScaling = PrintScaling.AppDefault, duplex: PdfViewerPreferences.Duplex = Duplex.Simplex, pickTrayByPdfSize: Boolean = false, numCopies: Int = 1, printPageRange: List<IntRange> = emptyList())