public partial class MainWindow : Window { WpfApplication1.PersonsEntities personsEntities; System.Windows.Data.CollectionViewSource personViewSource; System.Data.Objects.ObjectQuery<WpfApplication1.person> personQuery; public MainWindow() { InitializeComponent(); } private ObjectQuery<person> GetpersonQuery(PersonsEntities personsEntities) { var personQuery = personsEntities.person; return personQuery as ObjectQuery<person>; } private void Window_Loaded(object sender, RoutedEventArgs e) { DispatcherTimer dispatcherTimer = new DispatcherTimer(); dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick); dispatcherTimer.Interval = new TimeSpan(0, 0, 5); dispatcherTimer.Start(); } protected void dispatcherTimer_Tick(object sender, EventArgs e) { personsEntities = new WpfApplication1.PersonsEntities(); personViewSource = ((System.Windows.Data.CollectionViewSource) (this.FindResource("personViewSource"))); personQuery = this.GetpersonQuery(personsEntities); personViewSource.Source = personQuery.Execute(System.Data.Objects.MergeOption.AppendOnly); } }
personViewSource.View.CurrentItem
Source
personViewSource.View.MoveCurrentTo
var
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