AltitudeAngelWings.WpfExtensions.TryScrollToBottom C# (CSharp) Метод

        private static bool TryScrollToBottom(ItemsControl itemsControl)
        {
            ItemContainerGenerator generator = itemsControl.ItemContainerGenerator;
            object item = generator.Items[generator.Items.Count - 1];
            var container = generator.ContainerFromItem(item) as UIElement;

            if (container == null) return false;

            ScrollContentPresenter presenter = null;
            var current = VisualTreeHelper.GetParent(container) as Visual;

            while ((presenter == null) && (current != itemsControl) && (current != null))
            {
                current = VisualTreeHelper.GetParent(current) as Visual;

                presenter = current as ScrollContentPresenter;
            }

            if (presenter == null) return false;

            presenter.SetVerticalOffset(presenter.ExtentHeight);

            return true;
        }
    }