void AssociatedObjectLoaded(object sender, RoutedEventArgs e)
{
AssociatedObject.Loaded -= AssociatedObjectLoaded;
_treeviewScrollViewer = DependencyObjectExtensions.GetChildByType(AssociatedObject, typeof(ScrollViewer)) as ScrollViewer;
//Juries - Removed, instead implement a collection changed handler, to only scroll to end when new items are added.
if (_treeviewScrollViewer != null)
{
_treeviewScrollViewer.IsDeferredScrollingEnabled = true;
_treeviewScrollViewer.PreviewMouseDown += (o, args) => _hasUserScrolled = true;
_treeviewScrollViewer.ScrollChanged += TreeviewScrollViewerScrollChanged;
}
}