A series of square-ended dashes
A series of round dots
Two parallel lines with some space between them
Looks as if it were carved in the canvas
Same as Gtk.BorderStyle.NONE
Looks as if the content is sunken into the canvas
No visible border
Looks as if the content is coming out of the canvas
Looks as if it were coming out of the canvas
A single line segment
Describes how the border of a UI element should be rendered.