Windows phone 7 判断网络连接

类名：DeviceNetworkInformation

CellularMobileOperator获取蜂窝移动运营商的名称。

IsCellularDataEnabled获取一个值，该值指示网络是否启用了蜂窝数据。

IsCellularDataRoamingEnabled获取一个值，该值指示网络是否允许数据漫游。

IsNetworkAvailable获取一个值，该值指示网络是否可用。

IsWiFiEnabled获取一个值，该值指示网络是否启用了 Wi-Fi。

 範例程式：實作註冊監控網路狀態的變動事件與識別變動後的網路狀態。

 // Constructor

 public MainPage()

 {

 InitializeComponent();

 Initialization(false);

 }

 

 private void Initialization(bool pIsRegist)

 {

 //識別是否啟動行動網路

 tgsIcde.IsChecked = DeviceNetworkInformation.IsCellularDataEnabled;

 //識別是否啟動數據漫游

 tgsIcdr.IsChecked = DeviceNetworkInformation.IsCellularDataRoamingEnabled;

 //識別設備網路是否有網路功能

 tgsIna.IsChecked = DeviceNetworkInformation.IsNetworkAvailable;

 //識別是否啟動WiFi

 tgsIwifi.IsChecked = DeviceNetworkInformation.IsWiFiEnabled;

 

 //避免測試狀態為airplane mode

 if (DeviceNetworkInformation.CellularMobileOperator!= null)

 {

 //識別CellularMobileOperator的類型

 switch (DeviceNetworkInformation.CellularMobileOperator.ToLower())

 {

 case "chunghwa"

 tblCellularOperator.Text = "中華";

 break;

 case "taiwanmobile"

 tblCellularOperator.Text = "台哥大";

 break;

 case "fetnet"

 tblCellularOperator.Text = "遠傳";

 break;

 }

 }

 

 if (pIsRegist == false)

 {

 //註冊監控網路狀態

 DeviceNetworkInformation.NetworkAvailabilityChanged +=

 new EventHandler<NetworkNotificationEventArgs>(NetworkAvailabilityChanged);

 }

 }

 

 void NetworkAvailabilityChanged(object sender, NetworkNotificationEventArgs e)

 {

 //取得info來識別目前網路資訊

 NetworkInterfaceInfo tInfo = e.NetworkInterface;

 

 //取得網路狀態通知類型

 NetworkNotificationType tNotification = e.NotificationType;

 string tType = string.Empty;

 switch (tNotification)

 {

 case NetworkNotificationType.CharacteristicUpdate

 tType += "CharacteristicUpdate \n";

 break;

 case NetworkNotificationType.InterfaceConnected

 tType += "InterfaceConnected \n";

 break;

 case NetworkNotificationType.InterfaceDisconnected

 tType += "InterfaceDisconnected \n";

 break;

 }

 Dispatcher.BeginInvoke(() =>

 {

 tblNetworkState.Text = tType;

 Initialization(true);

 });

 }

 

 private void ApplicationBarIconButton_Click(object sender, EventArgs e)

 {

 //利用ConnectionSettingsTask修改網路狀態來測試監控網路狀態事件

 ConnectionSettingsTask tConnectionSettings = new ConnectionSettingsTask();

 tConnectionSettings.ConnectionSettingsType = ConnectionSettingsType.AirplaneMode;

 tConnectionSettings.Show();

 }

　執行結果：