private void ShowCitySelect(NavigationRequest request)
        {
            // this line means that CitySelectViewModel can navigate only to ShowCityDetails
            _router[HomeViewModel.ShowCityDetails] = ShowCityDetails;

            var vm = SimpleIoc.Default.GetInstance <HomeViewModel>();

            _presenter.Show(vm, request);
        }
 public virtual void Show() => Presenter.Show(this);