Problem with GPSEmulator

<pre lang="c#">
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Controls.Maps;

using System.Device.Location;



namespace PhoneApp1
{
    public partial class MainPage : PhoneApplicationPage
    {
        // Constructor
      

        GeoCoordinateWatcher watcher;
      

 
      
        Pushpin Pin = new Pushpin();
        String bingkey = "Ak3PcwHFqpbSJIES_QnB4Nqs6GMfcjDSkAsl-dgsDzui3UwWs6-lU5Gi1KqYxhu7";
 
        public MainPage()
        {

            InitializeComponent();

           
            MAP.CredentialsProvider = new ApplicationIdCredentialsProvider(bingkey);

            MAP.LogoVisibility = Visibility.Collapsed;
            MAP.CopyrightVisibility = Visibility.Collapsed;
            MAP.Mode = new AerialMode();
            MAP.Visibility = Visibility.Visible;


            this.watcher = new GeoCoordinateWatcher();
            this.watcher.PositionChanged += new EventHandler<geopositionchangedeventargs><geocoordinate>>(watcher_PositionChanged);
            bool started = this.watcher.TryStart(false, TimeSpan.FromMilliseconds(2000));
            if (!started)
            {
                txtStatus.Text=("GeoCoordinateWatcher timed out on start.");
            }


            Pin.Location = watcher.Position.Location;
            MAP.Center = Pin.Location;
            
          

          
          
            Ellipse Elip = new Ellipse();  
            SolidColorBrush mySolidColorBrush = new SolidColorBrush();        
            // Describes the brush's color using RGB values. // Each value has a range of 0-255.
             mySolidColorBrush.Color = Colors.Red; Elip.Width=20; Elip.Height = 20;
            Elip.Name = "locator"; Elip.Fill = mySolidColorBrush; Pin.Content = Elip;
            txtStatus.Text = String.Format("Acc Horz = {0:0.00} | Acc Vert = {1:0.00}",
            Pin.Location.HorizontalAccuracy, Pin.Location.VerticalAccuracy);
            MAP.Children.Add(Pin);

        }

        double curLatitude, curLongitude;


        void watcher_PositionChanged(object sender, GeoPositionChangedEventArgs<geocoordinate> e)
        {
            
            curLatitude=e.Position.Location.Latitude;
            curLongitude = e.Position.Location.Longitude;
            PrintPosition(curLatitude,curLongitude );
            Pin.Location = e.Position.Location;
            MAP.Children.Remove(Pin);
            MAP.Center = Pin.Location;
            MAP.Children.Add(Pin);
        }

      


        void PrintPosition(double Latitude, double Longitude)
        {
           txtStatus.Text=("Latitude: "+Latitude+ "Longitude "+ Longitude);
        }

      
        private void button1_Click(object sender, RoutedEventArgs e)
        {
            MAP.Mode = new RoadMode();

        }

        private void button2_Click(object sender, RoutedEventArgs e)
        {
            MAP.Mode = new AerialMode();

        }

        private void button3_Click(object sender, RoutedEventArgs e)
        {
            double zoom;
            zoom = MAP.ZoomLevel;
            MAP.ZoomLevel = ++zoom;

        }

        private void button4_Click(object sender, RoutedEventArgs e)
        {
            double zoom;
            zoom = MAP.ZoomLevel;
            MAP.ZoomLevel = --zoom;

        }


       
   
       

        private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
        {

        }

       

    

       
    }

  



}</geocoordinate></geocoordinate></geopositionchangedeventargs>