TreeView控件

开发平台：
C#

Form1.cs：源码内容
							using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace FileNameManager
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            foreach(DriveInfo di in DriveInfo.GetDrives())
            {
                TreeNode tn = new TreeNode();
                string nodeText = string.Empty;
                if (di.IsReady)
                {
                    nodeText = string.Format(@"{0} ({1}:)", di.Name, di.VolumeLabel);
                }
                else
                {
                    nodeText = string.Format(@"({0}:)", di.Name);
                }
                tn.Text = nodeText;
                tn.Name = di.Name;
                tvFolders.Nodes.Add(AddChildNodes(tn, false));
            }
        }
        private void tvFolders_AfterExpand(object sender, TreeViewEventArgs e)
        {
            foreach (TreeNode node in e.Node.Nodes)
            {
                AddChildNodes(node, false);
            }
        }
        private TreeNode AddChildNodes(TreeNode node, bool final)
        {
            if (final)
            {
                return node;
            }
            DirectoryInfo parentDI = new DirectoryInfo(node.Name);
            if (parentDI.FullName.Length == 3)
            {
                DriveInfo di = new DriveInfo(parentDI.FullName);
                if (!di.IsReady)
                {
                    return node;
                }
            }
            DirectoryInfo[] arrDI = null;
            try
            {
                arrDI = parentDI.GetDirectories();
            }
            catch
            {
            }
            if (arrDI != null)
            {
                foreach (DirectoryInfo di in arrDI)
                {
                    TreeNode tn = new TreeNode();
                    string nodeText = string.Empty;
                    tn.Text = di.Name;
                    tn.Name = di.FullName;
                    node.Nodes.Add(AddChildNodes(tn, true));
                }
            }
            return node;
        }
        private void tvFolders_AfterSelect(object sender, TreeViewEventArgs e)
        {
            lvFiles.Items.Clear();
            DirectoryInfo di = new DirectoryInfo(e.Node.Name);
            FileInfo[] arrFI = null;
            try
            {
                arrFI = di.GetFiles();
            }
            catch
            { }
            if (arrFI == null)
            {
                return;
            }
            foreach (FileInfo fi in arrFI)
            {
                lvFiles.Items.Add(fi.Name);
            }
        }
    }
}

						