// This is the Geocode request callback method.
private void geocodeService_GeocodeCompleted(object sender, geocodeservice.GeocodeCompletedEventArgs e)
{
// Retrieve the user state of this response (the ‘waypoint index’) to identify which geocode request
// it corresponds to.
int waypointIndex = System.Convert.ToInt32(e.UserState);
// Retrieve the GeocodeResult for this response and store it in the global variable geocodeResults, using
// the waypoint index to position it in the array.
geocodeResults[waypointIndex] = e.Result.Results[0];
// Look at each element in the global gecodeResults array to figure out if more geocode responses still
// need to be returned.
bool doneGeocoding = true;
foreach (geocodeservice.GeocodeResult gr in geocodeResults)
{
if (gr == null)
{
doneGeocoding = false;
}
}
// If the geocodeResults array is totally filled, then calculate the route.
if (doneGeocoding)
CalculateRoute(geocodeResults);
}
private void CalculateRoute(geocodeservice.GeocodeResult[] results)
{
// Create the service variable and set the callback method using the CalculateRouteCompleted property.
routeservice.RouteServiceClient routeService = new routeservice.RouteServiceClient("BasicHttpBinding_IRouteService");
routeService.CalculateRouteCompleted += new EventHandler<routeservice.CalculateRouteCompletedEventArgs>(routeService_CalculateRouteCompleted);
// Set the token.
routeservice.RouteRequest routeRequest = new routeservice.RouteRequest();
routeRequest.Credentials = new Credentials();
routeRequest.Credentials.ApplicationId = "ApgLkoHIG4rNShRJAxMMNettsv6SWs3eP8OchozFS89Vex7BRHsSbCr31HkvYK-d";
// Return the route points so the route can be drawn.
routeRequest.Options = new routeservice.RouteOptions();
routeRequest.Options.RoutePathType = routeservice.RoutePathType.Points;
// Set the waypoints of the route to be calculated using the Geocode Service results stored in the geocodeResults variable.
routeRequest.Waypoints = new System.Collections.ObjectModel.ObservableCollection<routeservice.Waypoint>();
foreach (geocodeservice.GeocodeResult result in results)
{
routeRequest.Waypoints.Add(GeocodeResultToWaypoint(result));
}
// Make the CalculateRoute asnychronous request.
routeService.CalculateRouteAsync(routeRequest);
}
private routeservice.Waypoint GeocodeResultToWaypoint(geocodeservice.GeocodeResult result)
{
routeservice.Waypoint waypoint = new routeservice.Waypoint();
waypoint.Description = result.DisplayName;
waypoint.Location = new Location();
waypoint.Location.Latitude = result.Locations[0].Latitude;
waypoint.Location.Longitude = result.Locations[0].Longitude;
return waypoint;
}
