private async Task ScrapAsync(IScraper scraper)
{
await Task.Run(() =>
{
var progress = new Progress<double>(x =>
{
DispatcherHelper.CheckBeginInvokeOnUI(() => this.ScrapProgress = x);
});
var tracks = scraper.Scrap(progress)
.Distinct(new TrackComparer());
foreach (var track in tracks)
{
DispatcherHelper.CheckBeginInvokeOnUI(() => this.ScrapedTracks.Add(track));
}
});
}
