AutocompleteMenuNS.AutocompleteListView.ScrollToSelected C# (CSharp) Method

        private void ScrollToSelected()
        {
            var y = SelectedItemIndex*ItemHeight - VerticalScroll.Value;
            if (y < 0)
                VerticalScroll.Value = SelectedItemIndex*ItemHeight;
            if (y > ClientSize.Height - ItemHeight)
                VerticalScroll.Value = Math.Min(VerticalScroll.Maximum,
                    SelectedItemIndex*ItemHeight - ClientSize.Height + ItemHeight);
            //some magic for update scrolls
            AutoScrollMinSize -= new Size(1, 0);
            AutoScrollMinSize += new Size(1, 0);
        }