Line fill style.
Value to multiply the default thickness with when the Line is highlighted.
This will only effect the highlighted line if no other style has been set for the Line's Highlighted style. Values less or equal to 0 can cause unexpected behavior.
Default value: 2
Line thickness.
-1 can be used to signify smallest available thickness. With most features, this will result in slightly better GPU performance, but less detailed line.
Default value: 1.
Interface for all properties of a LineStyle.