public void LoadFeedAsync2()
{
IsLoading = true;
var feedClient = new HeiseFeedClient();
var loadingFeedTask = feedClient.DownloadFeedAsync(_cancellationToken.Token);
loadingFeedTask.ContinueWith(t => PopulateViewModel(t.Result), CancellationToken.None,
TaskContinuationOptions.OnlyOnRanToCompletion,
TaskScheduler.FromCurrentSynchronizationContext());
loadingFeedTask.ContinueWith(HandleProblem, CancellationToken.None,
TaskContinuationOptions.NotOnRanToCompletion,
TaskScheduler.FromCurrentSynchronizationContext());
}
public async Task LoadFeedAsync()
{
IsLoading = true;
var feedClient = new HeiseFeedClient();
try
{
var loadedFeeds = await feedClient.DownloadFeedAsync(_cancellationToken.Token);
var parsedFeeds = loadedFeeds.Select(f => new FeedEntryViewModel(f));
Feeds = new ObservableCollection <FeedEntryViewModel>(parsedFeeds);
}
catch (AggregateException ex)
{
MessageBox.Show(ex.InnerExceptions[0].Message);
}
finally
{
IsLoading = false;
}
}