Defines the supported page layouts for PDF documents.
Display the pages in one column.
Default layout of the PDF reader application.
Display one page at a time.
Display the pages in two columns, with odd-numbered pages on the left.
Display the pages in two columns, with odd-numbered pages on the right.
Display the pages two at a time, with odd-numbered pages on the left.
Display the pages two at a time, with odd-numbered pages on the right.