private void add_gesture_btn_Click(object sender, RoutedEventArgs e) { // open add window GestureConfigWin add_win = new GestureConfigWin(); if (add_win.ShowDialog().Value == true) { gesture_recognizer.AddGestureConfig(add_win.new_gesture_config); // update list UpdateGestureComboBox(); // update status bar statusbarLabel.Content = "Add gesture: " + add_win.new_gesture_config.name; } }