ArcGISCompare.frmMappings.AddOldSubNodes C# (CSharp) Метод

        private void AddOldSubNodes(TreeNode childNode, ref string outString, ref int Lev)
        {
            if (childNode.Nodes.Count > 0)
              {
            for (int n = 0; n < childNode.Nodes.Count; n++)
            {
              for (int i = 0; i < Lev; i++) outString = "    ";

              outString += childNode.Nodes[n].Text;

              Lev += 1;
              AddOldSubNodes(childNode.Nodes[n], ref outString, ref Lev);
              Lev -= 1;
            }
              }
        }