public override void Save(SettingsStorage settings)
        {
            settings.SetValue("GridSettings", MdControl.Save());
            settings.SetValue("BuySellSettings", BuySellPanel.Save());

            base.Save(settings);
        }
        void IPersistable.Save(SettingsStorage storage)
        {
            storage.SetValue("SecurityId", SecurityPicker.SelectedSecurity != null ? SecurityPicker.SelectedSecurity.Id : null);

            storage.SetValue("SecurityAsksGrid", SecurityAsksGrid.Save());
            storage.SetValue("SecurityBidsGrid", SecurityBidsGrid.Save());

            storage.SetValue("BuySellSettings", BuySellPanel.Save());
        }