/// <summary>
        /// add new lines on the map
        /// </summary>
        /// <param name="area"></param>
        void addNewPolyline(string area)
        {
            MapPolyline polyline;
            Random      r = new Random(DateTime.Now.Millisecond);

            Color[] colorArray = new Color[10] {
                System.Windows.Media.Colors.Red, System.Windows.Media.Colors.Green, System.Windows.Media.Colors.Blue
                , System.Windows.Media.Colors.White, System.Windows.Media.Colors.Black, System.Windows.Media.Colors.Purple
                , System.Windows.Media.Colors.Orange, System.Windows.Media.Colors.Yellow, System.Windows.Media.Colors.Gray
                , System.Windows.Media.Colors.Gold
            };

            var a = bl.GetAllLineGroupByArea().ToList();

            int j = 0;

            for (int i = 0; i < a.Count(); i++)
            {
                if (area == "all areas" || a[i].First().Area == area)
                {
                    Color colorPolyLine = new Color();
                    Color colorPin      = new Color();
                    colorPin = colorArray[i % 10];
                    foreach (BO.Line line in a[i].ToList())
                    {
                        polyline = new MapPolyline();
                        polyline.StrokeThickness = 5;
                        polyline.Opacity         = 1;
                        colorPolyLine            = colorArray[j % 10];
                        polyline.Stroke          = new System.Windows.Media.SolidColorBrush(colorPolyLine);

                        polyline.Locations = new LocationCollection();

                        foreach (BO.Stop stop in bl.GetAllStopsByLineNumber(line.Number))
                        {
                            Location pinLocation = new Location();
                            pinLocation.Latitude  = stop.Latitude;
                            pinLocation.Longitude = stop.Longitude;

                            Pushpin pin = new Pushpin();
                            pin.Background = new SolidColorBrush(colorPin);
                            pin.Location   = pinLocation;

                            myMap.Children.Add(pin);
                            polyline.Locations.Add(pin.Location);
                        }
                        myMap.Children.Add(polyline);
                        j++;
                    }
                }
            }
        }
        /// <summary>
        /// Initializes the lines on the map
        /// </summary>
        void addNewPolyline()
        {
            MapPolyline polyline = new MapPolyline();

            polyline.Stroke          = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Red);
            polyline.StrokeThickness = 5;
            polyline.Locations       = new LocationCollection();
            foreach (BO.Stop stop in bl.GetAllStopsByLineNumber(lineNumber))
            {
                Location pinLocation = new Location();
                pinLocation.Latitude  = stop.Latitude;
                pinLocation.Longitude = stop.Longitude;

                Pushpin pin = new Pushpin();
                pin.Location = pinLocation;

                myMap.Children.Add(pin);
                polyline.Locations.Add(pin.Location);
            }

            myMap.Children.Add(polyline);
        }