c# GUI ][ treeview with button (1)

c# GUI ][ treeview with button

WindowsFormsApp3.zip

0.01MB

	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 WindowsFormsApp3
	{
	public partial class Form1 : Form
	{
	public Form1()
	{
	InitializeComponent();
	}
	private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
	{
	}
	private void reflash_Click(object sender, EventArgs e)
	{
	treeView1.Nodes.Clear();
	TreeNode pNode1 = new TreeNode("data1");
	TreeNode sNode1 = new TreeNode("sub1");
	sNode1.Nodes.Add("1", "a1");
	sNode1.Nodes.Add("a2");
	sNode1.Nodes.Add("a3");
	TreeNode sNode1_1 = new TreeNode("sub1-1");
	sNode1_1.Nodes.Add("1-1", "a1");
	sNode1_1.Nodes.Add("a2");
	sNode1_1.Nodes.Add("a3");
	TreeNode sNode2 = new TreeNode("sub2");
	sNode2.Nodes.Add("2", "a2");
	sNode2.Nodes.Add("a2");
	sNode2.Nodes.Add("a3");
	TreeNode sNode3 = new TreeNode("sub3");
	sNode3.Nodes.Add("3", "a3");
	sNode3.Nodes.Add("a2");
	sNode3.Nodes.Add("a3");
	sNode1.Nodes.Add(sNode1_1);
	pNode1.Nodes.Add(sNode1);
	pNode1.Nodes.Add(sNode2);
	pNode1.Nodes.Add(sNode3);
	treeView1.Nodes.Add(pNode1);
	treeView1.ExpandAll();
	}
	}
	}

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