void refreshButton_Click(object sender, RoutedEventArgs e) { // create the demo items provider according to specified parameters int numItems = int.Parse(tbNumItems.Text); int fetchDelay = int.Parse(tbFetchDelay.Text); DemoCustomerProvider customerProvider = new DemoCustomerProvider(numItems, fetchDelay); // create the collection according to specified parameters int pageSize = int.Parse(tbPageSize.Text); int pageTimeout = int.Parse(tbPageTimeout.Text); // ListView.ItemsSource プロパティに設定 if (rbNormal.IsChecked.Value) { // 同期する DataContext = new List <Customer>( customerProvider.GetRange(0, customerProvider.Count().Result).Result); } else if (rbVirtualizing.IsChecked.Value) { DataContext = new VirtualizingCollection <Customer>(customerProvider, pageSize); } else if (rbAsync.IsChecked.Value) { DataContext = new AsyncVirtualizingCollection <Customer>(customerProvider, pageSize); } }
private void Button_Click(object sender, RoutedEventArgs e) { // create the demo items provider according to specified parameters int numItems = int.Parse(tbNumItems.Text); int fetchDelay = int.Parse(tbFetchDelay.Text); var customerProvider = new DemoCustomerProvider(numItems, fetchDelay); // create the collection according to specified parameters int pageSize = int.Parse(tbPageSize.Text); int pageTimeout = int.Parse(tbPageTimeout.Text); if (rbNormal.IsChecked.Value) { DataContext = new List <Customer>(customerProvider.FetchRange(0, customerProvider.FetchCount())); } else if (rbVirtualizing.IsChecked.Value) { DataContext = new VirtualizingCollection <Customer>(customerProvider, pageSize); } else if (rbAsync.IsChecked.Value) { DataContext = new AsyncVirtualizingCollection <Customer>(customerProvider, pageSize, pageTimeout * 1000); } }