nature_net.MainWindow.tb_PreviewTouchDown C# (CSharp) Метод

        void tb_PreviewTouchDown(object sender, TouchEventArgs e)
        {
            TextBlock dot = (TextBlock)sender;
            naturenet_dataclassDataContext db = new naturenet_dataclassDataContext();
            var loc = from l in db.Locations
                      where l.id == (int)dot.Tag
                      select l;
            Location location = loc.Single<Location>();
            log.WriteInteractionLog(11, "Location: " + location.id.ToString(), e.TouchDevice);
            window_manager.open_location_collection_window(location.name, location.id, Canvas.GetLeft(dot), Canvas.GetTop(dot));
        }