public DataControlNotifier( TimelineUrlCollection urls, List<TimelineBand> bands ) { m_elements = bands; m_urls = urls; m_streams = new List<Stream>(); foreach (FrameworkElement e in m_elements) { if (e.ActualWidth != 0) { m_sizeCount++; #if !SILVERLIGHT CheckCompleted(); #endif } else { e.SizeChanged += OnSizeChanged; } } StartDataDownload(); }