private void OnMapsChooseSelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
var selectedMap = e.AddedItems[0].ToString();
// Get index that is used to get the selected url
var selectedIndex = _titles.ToList().IndexOf(selectedMap);
// Create a new Map instance with url of the webmap that selected
MyMapView.Map = new Map(new Uri(_itemURLs[selectedIndex]));
}
}