Selects glyphs in the layout tree's reading order (ExtractLayout(LayoutOptions)): logical structure order on a tagged page, detected columns and paragraphs on an untagged one. Glyphs the layout does not place (artifacts of a tagged page, text of annotation appearances) follow in content order.
public sealed class LayoutReadingOrder : IReadingOrderProvider
ISO 32000-2 §14.8.2.5 (logical content order), §14.7 (structure). Spec #33 viewer capability 4.
kind:method, kind:property, kind:ctor. Press Esc to clear.LayoutReadingOrder()Creates a provider with the default layout options.LayoutReadingOrder(LayoutOptions)Creates a provider.DefaultGets a provider with the default layout options.GetReadingOrder(PdfPage, HitTestIndex)Gives the selectable glyphs of a page in reading order.