private async void RefreshButton_Click_1(object sender, RoutedEventArgs e) { progbar.Visibility = Visibility.Visible; string resp2 = await Twitter.Get_tweets("#NowPlaying"); JObject jo2 = JObject.Parse(resp2); //try{ for (int i = 0; i < 19; i++) { TweetViewModel tvm = new TweetViewModel(); tvm.handle = (string)jo2["results"][i]["from_user"]; tvm.tweet = (string)jo2["results"][i]["text"]; tvm.dp = new Windows.UI.Xaml.Media.Imaging.BitmapImage(new Uri((string)jo2["results"][i]["profile_image_url"], UriKind.Absolute)); ListTweetModel.Add(tvm); } itemListView2.ItemsSource = ListTweetModel; progbar.Visibility = Visibility.Collapsed; }