Network Awareness ( Windows Phone 7 )

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;
namespace WindowsPhoneApplication_WiFi
{
    public partial class MainPage : PhoneApplicationPage
    {
        // Constructor
        public MainPage()
        {
            InitializeComponent();
            System.Net.NetworkInformation.NetworkChange.NetworkAddressChanged += new System.Net.NetworkInformation.NetworkAddressChangedEventHandler(NetworkChange_NetworkAddressChanged);
        }
        void NetworkChange_NetworkAddressChanged(object sender, EventArgs e)
        {
            CheckWiFiStatus();
        }
       
        protected void CheckWiFiStatus()
        {
            try
            {
                switch (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType)
                {
                    case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None:
                        textBlock1.Text = "None";
                        break;
                    case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Wireless80211:
                        
                        textBlock1.Text = "Wireless80211";
                        break;
                    case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Ethernet:
                        
                        textBlock1.Text = "Ethernet";
                        break;
                    case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MobileBroadbandGsm:
                        
                        textBlock1.Text = "MobileBroadbandGsm";
                        break;
                    case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MobileBroadbandCdma:
                        
                        textBlock1.Text = "MobileBroadbandCdma";
                        break;
                }
            }
            catch (Exception ecc)
            {
                MessageBox.Show("Problem in the Network status check:" +ecc.ToString());
            }
        }
    }
}