AutocompleteMenuNS.AutocompleteListView.AdjustScroll C# (CSharp) Method

        private void AdjustScroll()
        {
            if (VisibleItems == null)
                return;
            if (oldItemCount == VisibleItems.Count)
                return;

            var needHeight = ItemHeight*VisibleItems.Count + 1;
            Height = Math.Min(needHeight, MaximumSize.Height);
            AutoScrollMinSize = new Size(0, needHeight);
            oldItemCount = VisibleItems.Count;
        }