public MainPage()
        {
            sitecoreServiceClient = new SitecoreServiceClient();
            sitecoreServiceClient.GetFixedPathsCompleted += (sender, e) =>
                {
                    e.Result.Content_Comments.Children.LoadChildren((commentChildren) =>
                        {
                            allComments = commentChildren.LoadedChildren.OfType<Comment>();

                            FeedCollection = e.Result.Content_Feeds;
                            FeedCollection.Children.LoadChildren((feedCollectionChildren) =>
                                {
                                    foreach (Feed feed in feedCollectionChildren.LoadedChildren.OfType<Feed>())
                                    {
                                        feed.Children.LoadChildren((feedChildren) =>
                                            {
                                                foreach (FeedItem feedItem in feedChildren.LoadedChildren.OfType<FeedItem>())
                                                {
                                                    feedItem.Comments
                                                        = new ObservableCollection<Comment>(from comment in allComments
                                                            where comment.FeedItem != null && comment.FeedItem.ReferenceId == feedItem.ItemID
                                                            select comment);
                                                }
                                            });
                                    }
                                    if (!initialized)
                                    {
                                        InitializeComponent();
                                        initialized = true;
                                    }
                                });
                        });
                };
            sitecoreServiceClient.GetFixedPathsAsync();
        }