उदाहरण विंडोज फोन 7 में DRY सिद्धांत

 //    public void LoadData() { //    FileManager CacheFile = new FileManager(); //        CacheFile.OnReadReady += new Action<StreamReader>(File_OnReadOpen); //     ,    CacheFile.OnReadFileMissing += new Action(File_OnReadFileMissing); //     CacheFile.Read(Common.Constants.ExchangeTmpFile); } //      void File_OnReadFileMissing() { //       Deployment.Current.Dispatcher.BeginInvoke( delegate { MessageBox.Show("Local file missing, first time application start?", "FileManager OnReadFileMissing exception", MessageBoxButton.OK); }); } //        void File_OnReadOpen(StreamReader Stream) { using (XmlReader XmlReader = XmlReader.Create(Stream)) { //  XML      XmlSerializer DataSerializer = new XmlSerializer(typeof(RatesList)); _RatesList = (RatesList)DataSerializer.Deserialize(XmlReader); Rates = _RatesList.Collection; } } 

 //    public void UpdateData() { //    LoadManager DataLoader = new LoadManager(); //       DataLoader.OnNoNetwork += new Action(DataLoader_OnNoNetwork); //       DataLoader.OnError += new Action<Exception>(DataLoader_OnError); //        DataLoader.OnStart += new Action(DataLoader_OnStart); //         DataLoader.OnLoad += new Action<string>(DataLoader_OnLoad); //        DataLoader.OnFinish += new Action(DataLoader_OnFinish); //    ,       XML  //  DataLoader.OnSaveTo += new Action<string>(DataLoader_OnSaveTo); //      DataLoader.SaveTo = Common.Constants.ExchangeTmpFile; //    DataLoader.Load(Common.Constants.ExchangeApiUrl); } //           //     //   ,     as is void DataLoader_OnSaveTo(string data) { //     FileManager CacheFile = new FileManager(); //   (  )    CacheFile.WriteBefore = "<Root>"; //   (  )    CacheFile.WriteAfter = "</Root>"; //    ,    CacheFile.Save(Common.Constants.ExchangeTmpFile, data); } //      void DataLoader_OnNoNetwork() { Deployment.Current.Dispatcher.BeginInvoke( delegate { MessageBox.Show("No network available.", "LoadManager OnNoNetwork exception", MessageBoxButton.OK); }); } //     void DataLoader_OnError(Exception e) { Deployment.Current.Dispatcher.BeginInvoke( delegate { MessageBox.Show(e.Message, "LoadManager OnError exception", MessageBoxButton.OK); }); } //      void DataLoader_OnStart() { //     IsProgressVisible = true; //       IsDataLoaded = false; } //    ,      void DataLoader_OnFinish() { //     IsProgressVisible = false; } //    ,        void DataLoader_OnLoad(string data) { try { Deployment.Current.Dispatcher.BeginInvoke( delegate { //     LoadData(); //      LastUpdate = DateTime.Now; }); } catch (Exception ex) { Deployment.Current.Dispatcher.BeginInvoke( delegate { MessageBox.Show(ex.Message, "LoadManager OnLoad outer exception", MessageBoxButton.OK); }); } } 

  public partial class MainPage : PhoneApplicationPage { public MainPage() { InitializeComponent(); //     DataContext = App.MainViewModel; //     Loaded += new RoutedEventHandler(MainPage_Loaded); } //     void MainPage_Loaded(object sender, RoutedEventArgs e) { //    ,    UI Deployment.Current.Dispatcher.BeginInvoke( delegate { //    App.MainViewModel.UpdateData(); }); } } 

  <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0"> <Grid.RowDefinitions> <RowDefinition Height="*"/> <RowDefinition Height="auto"/> </Grid.RowDefinitions> <ListBox Grid.Row="0" ItemsSource="{Binding Rates}"> <ListBox.ItemContainerStyle> <Style TargetType="ListBoxItem"> <Setter Property="HorizontalContentAlignment" Value="Stretch"/> </Style> </ListBox.ItemContainerStyle> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Margin="0,0,0,17"> <StackPanel Orientation="Horizontal"> <TextBlock Text="1" Style="{StaticResource PhoneTextLargeStyle}" Foreground="{StaticResource PhoneAccentBrush}" /> <TextBlock Text="{Binding Currency}" Style="{StaticResource PhoneTextLargeStyle}" Foreground="{StaticResource PhoneAccentBrush}"/> </StackPanel> <Grid HorizontalAlignment="Stretch"> <Grid.ColumnDefinitions> <ColumnDefinition Width="1*"/> <ColumnDefinition Width="1*"/> </Grid.ColumnDefinitions> <StackPanel Grid.Column="0"> <TextBlock Text="Buy" Style="{StaticResource PhoneTextNormalStyle}"/> <StackPanel Orientation="Horizontal"> <TextBlock Text="{Binding Buy}" Style="{StaticResource PhoneTextLargeStyle}"/> <TextBlock Text="UAH" Style="{StaticResource PhoneTextLargeStyle}" Opacity="0.5" /> </StackPanel> </StackPanel> <StackPanel Grid.Column="1"> <TextBlock Text="Sale" Style="{StaticResource PhoneTextNormalStyle}" /> <StackPanel Orientation="Horizontal"> <TextBlock Text="{Binding Sale}" Style="{StaticResource PhoneTextLargeStyle}"/> <TextBlock Text="UAH" Style="{StaticResource PhoneTextLargeStyle}" Opacity="0.5"/> </StackPanel> </StackPanel> </Grid> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,12,0,0"> <TextBlock Text="Last update:" Style="{StaticResource PhoneTextNormalStyle}" /> <TextBlock Text="{Binding LastUpdate}" Style="{StaticResource PhoneTextAccentStyle}" /> </StackPanel> </Grid>