窗体树形结构添加
就这些:
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; } } }