| Value | Meaning |
|---|---|
| None0 | No visible border |
| Hidden1 | Same as gtk.types.BorderStyle.None |
| Solid2 | A single line segment |
| Inset3 | Looks as if the content is sunken into the canvas |
| Outset4 | Looks as if the content is coming out of the canvas |
| Dotted5 | A series of round dots |
| Dashed6 | A series of square-ended dashes |
| Double7 | Two parallel lines with some space between them |
| Groove8 | Looks as if it were carved in the canvas |
| Ridge9 | Looks as if it were coming out of the canvas |
Describes how the border of a UI element should be rendered.