UsingBingMaps.Helpers.RouteCalculator.RouteCalculator C# (CSharp) Method

        public RouteCalculator(
            CredentialsProvider credentialsProvider,
            string to,
            string from,
            Dispatcher uiDispatcher,
            Action<RouteResponse> routeFound)
        {
            if (credentialsProvider == null)
            {
                throw new ArgumentNullException("credentialsProvider");
            }

            if (string.IsNullOrEmpty(to))
            {
                throw new ArgumentNullException("to");
            }

            if (string.IsNullOrEmpty(from))
            {
                throw new ArgumentNullException("from");
            }

            if (uiDispatcher == null)
            {
                throw new ArgumentNullException("uiDispatcher");
            }

            if (routeFound == null)
            {
                throw new ArgumentNullException("routeFound");
            }

            _credentialsProvider = credentialsProvider;
            _to = to;
            _from = from;
            _uiDispatcher = uiDispatcher;
            _routeFound = routeFound;

            _geocodeClient = new GeocodeServiceClient();
            _geocodeClient.GeocodeCompleted += client_GeocodeCompleted;

            _routeClient = new RouteServiceClient();
            _routeClient.CalculateRouteCompleted += client_RouteCompleted;
        }
        public RouteCalculator(