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 WindowsFormsApplication1
{
public partial class treeviewpg : Form
{
public treeviewpg()
{
InitializeComponent();
}
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
{
TreeNode node = treeView1.SelectedNode;
MessageBox.Show(String.Format("you selected:{0}", node.Text));
}
private void treeviewpg_Load(object sender, EventArgs e)
{
TreeNode treenode = new TreeNode("Windows");
treeView1.Nodes.Add(treenode);
treenode = new TreeNode("Linux");
treeView1.Nodes.Add(treenode);
TreeNode node2 = new TreeNode("C#");
TreeNode node3 = new TreeNode("vb.net");
TreeNode[] array = new TreeNode[] { node2, node3 };
treenode=new TreeNode("dotnet pearls",array);
treeView1.Nodes.Add(treenode);
}
}
}
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