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  • 树形结构

    复制代码
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace day08_02Treeview
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }
    
            private void Form1_Load(object sender, EventArgs e)
            {
                TreeNode tn = new TreeNode("默认节点");
                treeView1.Nodes.Add(tn);
    
            }
    
            private void button1_Click(object sender, EventArgs e)
            {
                string txt = textBox1.Text;
                TreeNode tn = new TreeNode(txt);
                TreeNode tnn = treeView1.SelectedNode;
                tnn.Nodes.Add(tn);
    
            }
    
            private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
            {
                TreeNode se = treeView1.SelectedNode;
                se.Remove();
            }
    
            private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
            {
                TreeNode se = treeView1.SelectedNode;
            }
        }
    }
    复制代码

      

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  • 原文地址:https://www.cnblogs.com/zfx123--/p/6609919.html
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