private void AddPinButton_Click(object sender, RoutedEventArgs e) { // add a new pin to the database and the list view. Then close the overlay if (_view == null || _storage == null) { return; } if (string.IsNullOrWhiteSpace(newPinNameBox?.Text)) { return; } var pos = _view.PositionOfCurrentCentre(); _storage.SetPin(pos.ToString(), newPinNameBox?.Text); newPinNameBox.Text = ""; ThreadPool.QueueUserWorkItem(x => { ReloadPins(); }); HidePinsOverlay(); }