gdk-sharp 2.10.0.0 Gtk# 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.Enum GLib.GType(WrapperType=typeof(Gdk.FillRuleGType)) Field Gdk.FillRule Areas which are overlapped an odd number of times are included in the region, while areas overlapped an even number of times are not. Field Gdk.FillRule Overlapping areas are always included.