FastColoredTextBoxNS.AutocompleteListView.SelectNext C# (CSharp) Method

        public void SelectNext(int shift)
        {
            FocussedItemIndex = Math.Max(0, Math.Min(FocussedItemIndex + shift, visibleItems.Count - 1));
            DoSelectedVisible();
            //
            Invalidate();
        }

 public void SelectNext(int shift)
 {
     listView.SelectNext(shift);
 }