OpenTween.TweenMain.RestoreListViewScroll C# (CSharp) Method

        private void RestoreListViewScroll(DetailsListView listView, TabModel tab, ListViewScroll listScroll)
        {
            if (listView.VirtualListSize == 0)
                return;

            switch (listScroll.ScrollLockMode)
            {
                case ScrollLockMode.FixedToTop:
                    listView.EnsureVisible(0);
                    break;
                case ScrollLockMode.FixedToBottom:
                    listView.EnsureVisible(listView.VirtualListSize - 1);
                    break;
                case ScrollLockMode.FixedToItem:
                    var topIndex = listScroll.TopItemStatusId != null ? tab.IndexOf(listScroll.TopItemStatusId.Value) : -1;
                    if (topIndex != -1)
                        listView.TopItem = listView.Items[topIndex];
                    break;
                case ScrollLockMode.None:
                default:
                    break;
            }
        }