//private void ToggleAppBarButton(bool showPinButton)
        //{
        //    if (showPinButton)
        //    {
        //        this.StartPin.Label = "Agg a start";
        //        this.StartPin.Icon = new SymbolIcon(Symbol.Pin);
        //    }
        //    else
        //    {
        //        this.StartPin.Label = "Rim da Start";
        //        this.StartPin.Icon = new SymbolIcon(Symbol.UnPin);
        //    }
        //    this.StartPin.UpdateLayout();
        //}

        private async void loadStations()
        {
            //ObservableCollection<TrainStop> stations = await DBSource.Stations;
            //foreach (TrainStop stop in stations)
            //{
            //    MapIcon icon = new MapIcon();
            //    icon.Title = stop.Name;
            //    icon.NormalizedAnchorPoint = new Point(0.5, 1.0);
            //    icon.Location = new Geopoint(new BasicGeoposition()
            //        {
            //            Latitude = stop.Latitude,
            //            Longitude = stop.Longitude
            //        });
            //    icon.Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/Segnalino.png"));
            //    Mappa.MapElements.Add(icon);
            //}
            Puspins.ItemsSource = await DBSource.getStopsPreload();

            Puspins.ItemsSource = await DBSource.Stations;
        }