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   源码介绍

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通过TreeView和listView控件递归显示磁盘中的文件

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace 磁盘树形结构代码
{
    public partial class FormDiskTreeStructure : Form
    {
        public FormDiskTreeStructure()
        {
            InitializeComponent();
        }

        private void FormDiskTreeStructure_Load(object sender, EventArgs e)
        {
            ForeachDisk();
        }

        private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            ReadDir(e);
        }

        private void ForeachDisk()
        {
            DriveInfo[] dr = DriveInfo.GetDrives();
            string driveName = "";
            foreach (DriveInfo d in dr)
            {
                switch (d.DriveType)
                {
                    case DriveType.Fixed:
                        driveName = "本地磁盘("   d.Name.Substring(0, 2)   ")";
                        break;
                    case DriveType.Removable:
                        driveName = "可移动磁盘("   d.Name.Substring(0, 2)   ")";
                        break;
                    case DriveType.CDRom:
                        driveName = "DVD驱动器("   d.Name.Substring(0, 2)   ")";
                        break;
                    case DriveType.Network:
                        driveName = "网络驱动器("   d.Name.Substring(0, 2)   ")";
                        break;
                    default:
                        driveName = "未知("   d.Name   ")";
                        break;
                }
                this.treeView1.Nodes.Add(d.Name, driveName);
            }
        }

        private void ReadDir(TreeNodeMouseClickEventArgs e)
        {
            if (e.Node.Nodes.Count > 0)
            {
                if (e.Node.IsExpanded)
                {
                    e.Node.Collapse();

                }
                else
                {
                    e.Node.Expand();
                }
            }
            else
            {
                if (Directory.Exists(e.Node.Name))
                {
                    try
                    {
                        string[] allDirectory = Directory.GetDirectories(e.Node.Name);
                        foreach (string s in allDirectory)
                        {
                            e.Node.Nodes.Add(s, s.Remove(0, s.LastIndexOf("//")   1));
                        }
                        listBox1.Items.Clear();
                        string[] allFiles = Directory.GetFiles(e.Node.Name);
                        foreach (string sf in allFiles)
                        {
                            listBox1.Items.Add(sf.Remove(0, sf.LastIndexOf("//")   1));
                        }
                    }
                    catch
                    {
                    }
                }
                e.Node.Expand();
            }
        }
    }
}