This field tell us if the polyline is visible or not
(usually it's not if it belongs to a not desactivated layer)
Namespace:
GLSV
Assembly:
GLSV (in GLSV.dll) Version: 1.2009.6.26 (1.2009.06.26)
Namespace:
GLSV
Assembly:
GLSV (in GLSV.dll) Version: 1.2009.6.26 (1.2009.06.26)