gtk-sharp0.0.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.To be addedTo be addedGtkSharp.SignalArgsConstructorTo be addedTo be added: an object of type 'GtkSharp.VisibilityNotifyEventArgs'To be addedPropertyGdk.EventVisibilityTo be addedTo be added: an object of type 'Gdk.EventVisibility'To be added