private async void FillEntriesChannel(EntriesReady onEntriesReady, MSYoutubeLoading onYoutubeLoading)
        {
            var url = "";
            if (!String.IsNullOrEmpty(YoutubeUrl.ChannelId)) {
                url = "https://gdata.youtube.com/feeds/api/playlists/" + YoutubeUrl.ChannelId;
            } else if (!String.IsNullOrEmpty(YoutubeUrl.FeedId)) {
                url = String.Format("https://gdata.youtube.com/feeds/api/users/{0}/uploads", YoutubeUrl.FeedId);
            }
            if (url.Length <= 0) return;

            MSYoutubeEntry items;
            try {
                var request = new MSYoutubeRequest(_settings);
                items = await request.GetAsync(YoutubeUrl, new Uri(url), onYoutubeLoading);
                if (items == null) {
                    if (onEntriesReady != null) onEntriesReady(new ObservableCollection<Feed>());
                    return;
                }
                if (String.IsNullOrEmpty(Title)) 
                    Title = items.Title;
            }
            catch {
                if (onEntriesReady != null) onEntriesReady(new ObservableCollection<Feed>());
                return;
            }
            Entries = GetMembers(items);
            if (onEntriesReady != null) onEntriesReady(Entries);
        }
        private async void FillEntriesUser(EntriesReady onEntriesReady, MSYoutubeLoading onYoutubeLoading)
        {
            var youtubeUrl = YoutubeUrl;
            var request = new MSYoutubeRequest(_settings);
            var items = await request.GetAsync(YoutubeUrl, new Uri(String.Format("https://gdata.youtube.com/feeds/api/users/{0}/playlists?v=2", youtubeUrl.UserId)), onYoutubeLoading);
            if (items == null) return;
            Entries = new ObservableCollection<Feed>();

            try {
                if (!String.IsNullOrWhiteSpace(items.AuthorId)) {
                    var favoritesEntry = new YoutubeEntry(this) {
                        Title = "Favorite Videos",
                        Uri = new Uri("http://www.youtube.com/playlist?list=FL" + items.AuthorId),
                    };
                    Entries.Add(favoritesEntry);
                }
                foreach (var member in items.Entries) {
                    var entry = new YoutubeEntry(this) {
                        Title = member.Title,
                        Uri = member.Uri,
                        Description = member.Description
                    };
                    Entries.Add(entry);
                }
            }
            catch {
                Entries.Clear();
            }
            if (onEntriesReady != null) onEntriesReady(Entries);
        }