C_winform中treeView通用类

winform中treeView使用通用类

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;

namespace educationWindows.commonCode
{
    public class treeMethod
    {
        /// <summary>
        /// 从数据库查询添加新的树节点到指定的父接点上
        /// </summary>
        /// <param name="parenTn">父接点</param>
        /// <param name="newTn">新节点</param>
        /// <param name="nodeText">新节点显示文本</param>
        /// <param name="nodeName">新接点唯一值，数据表中的ID</param>
        public static void AddTreeNode(TreeNode parenTn, TreeNode newTn, string nodeText, string nodeName)
        {
            newTn = new TreeNode(nodeText);
            newTn.Name = nodeName;
            parenTn.Nodes.Add(newTn);
        }

        /// <summary>
        /// 添加数据到数据库的同时把数据添加到指定的树节点
        /// </summary>
        /// <param name="treeview">treeview组件</param>
        /// <param name="parenTn">父节点</param>