gtk-sharp0.0.0.0neutralGtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Determines when a will be visible.System.EnumSystem.IComparableSystem.IConvertibleSystem.IFormattableFieldGtk.PolicyTypeThe is always visible.FieldGtk.PolicyTypeThe will appear and disappear as necessary.FieldGtk.PolicyTypeThe will never appear.FieldSystem.Int32Internal field.Do not use.