Adds graphics to a PDF page foreground.
A PdfPage object that is the page in the document where graphics are drawn (measured in points - 1/72 of an inch).
The overloaded AddToPageForeground method automatically converts world coordinates to page coordinates. See Coordinate Systems to learn more.
Call the AddToPageForeground method to draw graphics as the foreground of the page. The default DPI is equal to 96. To draw graphics as the background of the page content, call the PdfGraphics.AddToPageBackground method.