The border of an annotation: its width, style, dash pattern and corner radii, from the border style dictionary (BS) when
there is one, else from the Border array, else the default (solid, 1 point wide, square corners).
public sealed class PdfAnnotationBorder
ISO 32000-2 §12.5.4, Table 168, and §12.5.2, Table 166 (Border, default [0 0 1]). "If an annotation dictionary
includes the BS entry, then the Border entry is ignored." A snapshot computed when Border is read.
A conforming reader ignores the border when it renders an appearance stream (§12.5.2).
kind:method, kind:property, kind:ctor. Press Esc to clear.DashPatternGets the dash pattern of a dashed border: alternating dash and gap lengths, phase 0; empty for a solid one.HorizontalCornerRadiusGets the horizontal corner radius (the first element of Border); 0 for square corners and for a BS border.SourceGets the entry the border was read from.StyleGets the border style.VerticalCornerRadiusGets the vertical corner radius (the second element of Border); 0 for square corners and for a BS border.WidthGets the border width in points; 0 draws no border.