gtk-sharp2.10.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Determine the direction that is affected by a .The mode of the determines the directions in which the affects the requested sizes of its component widgets.System.EnumGLib.GType(typeof(Gtk.SizeGroupModeGType))FieldGtk.SizeGroupModeHas no effect on widget size requisitions.FieldGtk.SizeGroupModeAffects widget size requisitions horizontally.FieldGtk.SizeGroupModeAffects widget size requisitions vertically.FieldGtk.SizeGroupModeAffects widget size requisitions both horizontally and vertically.