從指定節點的子孫節點中查找Text為nodeText的節點

/// <summary>
        /// 從指定節點的子孫節點中查找Text為nodeText的節點
        /// </summary>
        /// <param name="nodeText">要查找的節點的Text值</param>
        /// <param name="kNode">查詢kNode的所有子孫節點</param>
        /// <returns></returns>
        private TreeNode FindNode(string nodeText,TreeNode kNode)
        {
                foreach (TreeNode node in kNode.Nodes)
                {
                    if (node.Text == nodeText)
                    {
                        return node;
                    }
                    else
                        if (node.Nodes.Count > 0)
                            return FindNode(nodeText, node);
                        else
                            continue;
                }
                return null;
        }

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