gtk-sharpGtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.System.EnumGLib.GType(typeof(Gtk.ArrowTypeGType))Used to indicate the direction in which a should point.FieldGtk.ArrowTypeRepresents an downward pointing arrow.FieldGtk.ArrowTypeRepresents a left pointing arrow.FieldGtk.ArrowTypeRepresents no arrow.FieldGtk.ArrowTypeRepresents a right pointing arrow.FieldGtk.ArrowTypeRepresents an upward pointing arrow.