Wp7手机网络判断

<Grid x:Name="LayoutRoot" Background="Transparent">
    <Grid.RowDefinitions>
        <RowDefinition   Height="Auto" />
        <RowDefinition     Height="*" />
    </Grid.RowDefinitions>
 
    <StackPanel  x:Name="TitlePanel"  Grid.Row="0"  Margin="12,17,0,28">
        <TextBlock  x:Name="PageTitle"  Text="检查手机网络"   Margin="9,-7,0,0"   Style="{StaticResource PhoneTextTitle1Style}" />
    </StackPanel>
 
    <Grid   x:Name="ContentPanel"   Grid.Row="1"   Margin="12,0,12,0">
        <TextBox  Name="Message"   Background="Yellow"    Text="Unknown"   VerticalAlignment="Center"    HorizontalAlignment="Center" Margin="131,184,94,378" Width="231" />
        <Button Content="查看网络信息" Height="72" HorizontalAlignment="Left" Margin="103,6,0,0" Name="button1" VerticalAlignment="Top" Width="244" Click="button1_Click" />
        <TextBox Name="netname" Height="72" HorizontalAlignment="Left" Margin="131,271,0,0" Text="TextBox" VerticalAlignment="Top" Width="244" />
        <TextBlock Height="49" HorizontalAlignment="Left" Margin="9,198,0,0" Name="textBlock1" Text="网络状态：" VerticalAlignment="Top" Width="121" />
        <TextBlock HorizontalAlignment="Left" Margin="9,287,0,310" Name="textBlock2" Text="网络类型：" />
    </Grid>
</Grid>

public partial class MainPage : PhoneApplicationPage
{
    private bool networkIsAvailable;
    private NetworkInterfaceType _currentNetworkType; //网络连接的类型  
 
    public MainPage()
    {
        InitializeComponent();
    }
 
    private void button1_Click(object sender, RoutedEventArgs e)
    {
        networkIsAvailable = Microsoft.Phone.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable();//当前网络是否可用  
        _currentNetworkType = Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType;//获取当前网络的类型  
 
        if (networkIsAvailable)
        {
            Message.Text = "联网状态";
            Message.Background = new SolidColorBrush(Colors.Green);
        }
        else
        {
            Message.Text = "断网状态";
            Message.Background = new SolidColorBrush(Colors.Red);
        }
 
        switch (_currentNetworkType)
        {
            case NetworkInterfaceType.MobileBroadbandCdma:
                netname.Text = "Cdma网络";
                break;
 
            case NetworkInterfaceType.MobileBroadbandGsm:
                netname.Text = "Gsm网络";
                break;
 
            case NetworkInterfaceType.Wireless80211:
                netname.Text = "Wireless网络";
                break;
 
            case NetworkInterfaceType.Ethernet:
                netname.Text = "Ethernet网络";
                break;
 
            case NetworkInterfaceType.None:
                netname.Text = "网络不可用";
                break;
 
            default:
                netname.Text = "其他的网络";
                break;
        }
    }
}