/// <summary>
        /// Fired when the list is scrolled down a ways.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CommentList_OnListEndDetectedEvent(object sender, HelperControls.OnListEndDetected e)
        {
            if (m_user == null)
            {
                return;
            }

            EnsureCommentCollector();

            // Request a extension.
            m_commentCollector.ExtendCollection();
        }
 private void Ui_postList_OnListEndDetectedEvent(object sender, HelperControls.OnListEndDetected e)
 {
     // Suppress more event until we get more items.
     ui_postList.SuppressEndOfListEvent = true;
     m_collector.ExtendCollection();
 }