ZForge.Controls.TreeViewAdv.Tree.TreeViewAdv.UpdateSelection C# (CSharp) Method

        private void UpdateSelection()
        {
            bool flag = false;

            if (!IsMyNode(CurrentNode))
                CurrentNode = null;
            if (!IsMyNode(_selectionStart))
                _selectionStart = null;

            for (int i = Selection.Count - 1; i >= 0; i--)
                if (!IsMyNode(Selection[i]))
                {
                    flag = true;
                    Selection.RemoveAt(i);
                }

            if (flag)
                OnSelectionChanged();
        }