namespace 培训第三章程序和基本结构和架构{    public partial class MainPage : PhoneApplicationPage    {        // 构造函数        public MainPage()        {            InitializeComponent();            //Loaded += MainPage_Loaded;            getDeviceStatus();        }        /*private void MainPage_Loaded(object sender, RoutedEventArgs e)        {            pageHeight.Text = this.ActualHeight.ToString();        }        private void MainPage_OrientationChanged_1(object sender, OrientationChangedEventArgs e)        {            if ((e.Orientation & PageOrientation.Portrait) == PageOrientation.Portrait)            {                //坚屏处理                MessageBox.Show("坚屏处理");            }            else            {                //横屏处理                MessageBox.Show("横屏处理");            }        }*/        // 为 ViewModel 项加载数据隐藏        /*protected override void OnNavigatedTo(NavigationEventArgs e)        {            MessageBox.Show("程序启动或激活OnNavigatedTo");        }        protected override void OnNavigatedFrom(NavigationEventArgs e)        {            MessageBox.Show("程序退出或隐藏到后台OnNavigatedFrom");        }*/        /*private void Button_Click_1(object sender, RoutedEventArgs e)        {            ApplicationBar = (Microsoft.Phone.Shell.ApplicationBar) Resources["appbar1"];        }        private void Button_Click_2(object sender, RoutedEventArgs e)        {            ApplicationBar = (Microsoft.Phone.Shell.ApplicationBar) Resources["appbar2"];        }*/        /*protected override void OnNavigatedTo(NavigationEventArgs e)        {            //base.OnNavigatedTo(e);            App app = Application.Current as App;            post.Text = app.Post;            //app.Post = post.Text;            base.OnNavigatedTo(e);        }        private void Button_Click_1(object sender, RoutedEventArgs e)        {            Uri url = new Uri(String.Format("/Page1.xaml?name={0}",name.Text),UriKind.Relative);            NavigationService.Navigate(url);        }*/        /*private void Button_Click_1(object sender, RoutedEventArgs e)        {            PhoneApplicationService.Current.State["name"] = name.Text;            NavigationService.Navigate(new Uri("/DetailPage.xaml", UriKind.Relative));        }*/        /*private void button_Click(object sender, RoutedEventArgs e)        {            IsolatedStorageFile fileStoreage = IsolatedStorageFile.GetUserStoreForApplication();            if (!fileStoreage.FileExists("log.txt"))            {                fileStoreage.CreateFile("log.txt");            }            NavigationService.Navigate(new Uri("/hello.xaml", UriKind.Relative));        }*/        private void getDeviceStatus()        {            this._CurrentMomoryUsage.Text =(DeviceStatus.ApplicationCurrentMemoryUsage / 1024 / 1024).ToString();            this._MemoryUsageLimit.Text = (DeviceStatus.ApplicationMemoryUsageLimit/1024/1024).ToString();            this._PeakMemoryUsage.Text = (DeviceStatus.ApplicationPeakMemoryUsage/1024/1024).ToString();            this._eFirmwareVersion.Text = (DeviceStatus.DeviceFirmwareVersion);            this._HardwareVersion.Text = (DeviceStatus.DeviceFirmwareVersion);            this._DeviceManufacturer.Text = (DeviceStatus.DeviceManufacturer);            this._DeviceName.Text = (DeviceStatus.DeviceName);            this._DeviceTotalMemory.Text = (DeviceStatus.DeviceTotalMemory / 1024 / 1024).ToString();        }    }