private void VisualAerodrome_OnPreviewMouseDoubleClick(object sender, MouseButtonEventArgs e)
 {
     _aerodromePoint.AerodromeInfo.ActiveAerodrome = true;
     _routeHelper.AddDepartureAerodrome(_aerodromePoint.Guid);
     El.Stroke          = new SolidColorBrush(Colors.LimeGreen);
     El.StrokeThickness = 1.5;
     EventsHelper.OnChangeAerodromeEvent(_aerodromePoint);
     EventsHelper.OnOutLineFromLastPoint(_aerodromePoint.Screen.LineOut);
 }