C#控件TreeView的应用

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace TreeView

{

public partial class frmTreeView : Form

{

public frmTreeView()

{

InitializeComponent();

}

private void btnAdd_Click(object sender, EventArgs e)

{

TreeNode tn = new TreeNode();//新建新类

tn.Text = "显示新节点";//节点显示的文本

treeView1.Nodes.Add(tn);//添加节点

}

private void btnAddb_Click(object sender, EventArgs e)

{

TreeNode tn = new TreeNode();//新建新类

tn.Text = "显示新的子节点";//子节点显示的文本

treeView1.Nodes[0].Nodes.Add(tn);//添加子点

}

private void btnAddbb_Click(object sender, EventArgs e)

{

TreeNode tn = new TreeNode();//新建新类

tn.Text = "显示新节点";//节点显示的文本

treeView1.Nodes[0].Nodes[1].Nodes.Add(tn);//添加节点

}

private void button2_Click(object sender, EventArgs e)

{

TreeNode tn = new TreeNode();//新建新类

tn.Text = "显示新节点";//节点显示的文本

treeView1.SelectedNode.Nodes.Add(tn);//选择任意节点添加

}

private void button1_Click(object sender, EventArgs e)

{

TreeNode tn = new TreeNode();//新建新类

tn.Text = "显示新节点";//节点显示的文本

treeView1.SelectedNode.Parent.Nodes.Add(tn);//添加同级节点

}

private void frmTreeView_Load(object sender, EventArgs e)

{

TreeNode tn = new TreeNode();

tn.Text = "主干";

treeView1.Nodes.Add(tn);

}

}

}