gistfile1.cs

        private static void CurrentlyInViewChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
        {
            var ic = (ItemsControl) dependencyObject;
            var newValue = e.NewValue;

            if (ic.IsLoaded)
            {
                BringIntoView(ic, newValue);
            }
            else
            {
                RoutedEventHandler handler = null;
                handler = (sender, args) =>
                    {
                        BringIntoView(ic, newValue);
                        ic.Loaded -= handler;
                    };
                ic.Loaded += handler; 
            }
            
        }

        private static void BringIntoView(ItemsControl ic, object newValue)
        {
            var presenter = (ContentPresenter) ic.ItemContainerGenerator.ContainerFromItem(newValue);
            if (presenter != null)
            {
                presenter.BringIntoView();
            }
        }