This class represents the border style dictionary. This is definitively detailed in:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 166, page 386.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 168, page 469.

System.Object
    WebSupergoo.ABCpdf14.Elements.Element
       WebSupergoo.ABCpdf14.Elements.BorderStyleElement

A border style dictionary describes the line style used to draw the border of a link, free-text, or widget annotation. Its entries control border width, line style, and dash pattern.

The S entry selects from named styles: Solid, Dashed, Beveled, Inset, and Underline. Beveled and Inset draw a simulated three-dimensional border using lighter and darker shades of the annotation colour.

The D entry is used only when the style is Dashed. It supplies the dash array in the same format as the PDF graphics dash-pattern operator.