Determines how lines are drawn.
Value | Symbolic name | Description |
| 0 | Gdk::LINE_SOLID | Lines are drawn solid. |
| 1 | Gdk::LINE_ON_OFF_DASH | Even segments are drawn; odd segments are not drawn. |
| 2 | Gdk::LINE_DOUBLE_DASH | Even segments are normally. Odd segments are drawn in the background color if the fill style is Gdk::SOLID, or in the background color masked by the stipple if the fill style is Gdk::STIPPLED. |