        
     <ig:XamMap x:Name="XamRouteMap" Grid.RowSpan="2" Margin="5" >

            <ig:XamMap.MapTileSource>
                <ig:OpenStreetMapTileSource x:Name="OpenStreetsTileSource" />
            </ig:XamMap.MapTileSource>

            <ig:MapNavigationPane HorizontalAlignment="Right" Margin="15" VerticalAlignment="Top" />

            <ig:XamMap.Layers>
                <ig:MapLayer x:Name="MapLayerOther" Brushes="Transparent" />
                <ig:MapLayer x:Name="MapLayerRoutes" />
                <ig:MapLayer x:Name="MapLayerVehicles" Background="Transparent" />                   
            </ig:XamMap.Layers>

        </ig:XamMap>



        public void Handle(DrawRouteEvent message)
        {
            var lines = new MapPolylineCollection();

            var routePoints = message.DrawRoute.RoutePoints;

            var points = routePoints.Select(routePoint => new Point(routePoint.Longitude, routePoint.Latitude)).ToList();

            lines.Add(XamRouteMap.MapProjection.ProjectToMap(points));
            var lineElement = new PathElement() { Polylines = lines };

            var brushConverter = new BrushConverter();
            lineElement.Fill = brushConverter.ConvertFromString(message.DrawRoute.RouteColour) as SolidColorBrush;
            lineElement.StrokeThickness = 3;

            XamRouteMap.Layers[1].Elements.Add(lineElement);

            var worldRect = XamRouteMap.WorldRect;
            lineElement.WorldRect = worldRect;
        }
        public void Handle(DrawVehicleEvent message)
        {
            var vehicle = message.DrawVehicle;
            var geoLocation = message.VehicleLocation;
        
            // Get Point data using a projection from Geodetic to Cartesian coordinates
            var vehicleLocation = XamRouteMap.MapProjection.ProjectToMap(geoLocation.ToPoint());

            var vehicleTracker = new SymbolElement
            {
                Name = vehicle.RegistrationNumber,
                Caption = vehicle.RegistrationNumber,
                FontSize = 10,
                Foreground = new SolidColorBrush(Colors.Green),
                Stroke = new SolidColorBrush(Colors.Green),
                StrokeThickness = 2,
                SymbolOrigin = vehicleLocation,
                SymbolType = MapSymbolType.None,
                SymbolSize = 5
            };

            var findVehicle = XamRouteMap.Layers[2].Elements.FirstOrDefault(v => v.Name == vehicle.RegistrationNumber);
            if (findVehicle != null)
                XamRouteMap.Layers[2].Elements.Remove(findVehicle);

            vehicleTracker.WorldRect = XamRouteMap.WorldRect;

            XamRouteMap.Layers[2].Elements.Add(vehicleTracker);
        }