private void Button_AddLocationTagClick(object sender, RoutedEventArgs e)
        {
            string newTag = NewLocationTagsToAdd.Text;

            LocationTagHolderServices lths = LocationTagHolderServices.GetLocationTagHolderServices;

            lths.Add(newTag);
            lths.TidyUp();
            ApplyLocationTagsToList();
            lths.Save();
        }