Windows Phone 學習 直接用url打開web瀏覽器

 <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
            <StackPanel>
                <Button Content="新浪" Click="OnClick"/>
                <Button Content="網易" Click="OnClick"/>
                <Button Content="搜狐" Click="OnClick"/>
                <Button Content="優酷" Click="OnClick"/>
                <Button Content="中國網" Click="OnClick"/>
                <Button Content="中青網" Click="OnClick"/>
            </StackPanel>
        </Grid>

 // 構造函數
        public MainPage()
        {
            InitializeComponent();
        }

        private void OnClick(object sender, RoutedEventArgs e)
        {
            Button btn = e.OriginalSource as Button;
            if (btn != null)
            {
                string strContent = btn.Content.ToString();
                string MyUri = string.Empty;
                // 判斷點擊了哪個按鈕
                switch (strContent)
                {
                    case "新浪":
                        MyUri = "http://www.sina.com.cn/";
                        break;
                    case "網易":
                        MyUri = "http://www.163.com/";
                        break;
                    case "搜狐":
                        MyUri = "http://www.sohu.com/";
                        break;
                    case "優酷":
                        MyUri = "http://www.youku.com/";
                        break;
                    case "中國網":
                        MyUri = "http://www.china.com.cn/";
                        break;
                    case "中青網":
                        MyUri = "http://www.youth.cn/";
                        break;
                    default:
                        break;
                }
                // 實例化WebBrowserTask啓動器
                Microsoft.Phone.Tasks.WebBrowserTask myWeb = new Microsoft.Phone.Tasks.WebBrowserTask();
                // 要瀏覽的URI
                myWeb.Uri = new Uri(MyUri);
                // 顯示啓動器界面
                myWeb.Show();
            }
        }