gdk-sharp2.12.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.The method for determining which pixels are included in a region, when creating a from a polygon.The fill rule is only relevant for polygons which overlap themselves.System.EnumGLib.GType(typeof(Gdk.FillRuleGType))FieldGdk.FillRuleAreas which are overlapped an odd number of times are included in the region, while areas overlapped an even number of times are not.FieldGdk.FillRuleOverlapping areas are always included.