C# 资源管理器(读取文件目录树)

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;using System.IO;using System.Net.Sockets;namespace 资源管理器{ public partial class Form4 : Form { public Form4() { InitializeComponent(); } private class IconIndexes { public const int MyComputer = 2; //我的电脑 public const int ClosedFolder = 1; //文件夹关闭 public const int OpenFolder = 0; //文件夹打开 //public const int FixedDrive = 3; //磁盘盘符 public const int MyDocuments = 1; //我的文档 public const int recycle = 4; //public const int } private void toolStripSeparator1_Click(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { } private void listView1_SelectedIndexChanged(object sender, EventArgs e) { } private void treeView1_AfterSelect(object sender, TreeViewEventArgs e) { } private void treeView1_AfterExpand(object sender, TreeViewEventArgs e)// 在结点展开后发生 展开子结点 { } private void directoryTree_BeforeExpand(object sender, TreeViewCancelEventArgs e)// 在将要展开结点时发生 加载子结点 { } private void treeView1_AfterExpand_1(object sender, TreeViewEventArgs e) { e.Node.Nodes.Clear(); if (e.Node.Tag.ToString() == "桌面") { //实例化TreeNode类 TreeNode(string text,int imageIndex,int selectImageIndex) TreeNode rootNode = new TreeNode("我的电脑", IconIndexes.MyComputer, IconIndexes.MyComputer); //载入显示 选择显示 rootNode.Tag = "我的电脑"; //树节点数据 rootNode.Text = "我的电脑"; //树节点标签内容 e.Node.Nodes.Add(rootNode); //显示MyDocuments(我的文档)结点 var myDocuments = Environment.GetFolderPath //获取计算机我的文档文件夹 (Environment.SpecialFolder.MyDocuments); TreeNode DocNode = new TreeNode(myDocuments); DocNode.Tag = "我的文档"; //设置结点名称 DocNode.Text = "我的文档"; DocNode.ImageIndex = IconIndexes.MyDocuments; //设置获取结点显示图片 DocNode.SelectedImageIndex = IconIndexes.MyDocuments; //设置选择显示图片 e.Node.Nodes.Add(DocNode); //rootNode目录下加载 } /*TreeNode reNode = new TreeNode("回收站", IconIndexes.MyComputer, IconIndexes.MyComputer); //载入显示 选择显示 reNode.Tag = "回收站"; //树节点数据 reNode.Text = "回收站"; //树节点标签内容 DocNode.ImageIndex = IconIndexes.recycle; //设置获取结点显示图片 DocNode.SelectedImageIndex = IconIndexes.recycle; //设置选择显示图片 e.Node.Nodes.Add(reNode);*/ string path; if (e.Node.Tag.ToString() == "桌面") { path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); //获取桌面地址 } else { path = e.Node.Tag.ToString(); } string[] dics = Directory.GetDirectories(path); foreach (string dic in dics) { TreeNode subNode = new TreeNode(new DirectoryInfo(dic).Name); //实例化 subNode.Name = new DirectoryInfo(dic).FullName; //完整目录 subNode.Tag = subNode.Name; //subNode.ImageIndex = IconIndexes.ClosedFolder; //获取节点显示图片 subNode.SelectedImageIndex = IconIndexes.OpenFolder; //选择节点显示图片 e.Node.Nodes.Add(subNode); subNode.Nodes.Add(""); //加载空节点 实现 号 } DirectoryInfo dir = new DirectoryInfo(path);//实例目录与子目录 FileInfo[] fileInfo = dir.GetFiles();//获取当前目录文件列表 long length; for (int i = 0; i < fileInfo.Length; i ) { //int itemNumber = this.listView1.Items.Count; ListViewItem listItem = new ListViewItem(); listItem.Text = "[" (i 1) "] " fileInfo[i].Name; //显示文件名 length = fileInfo[i].Length; //获取当前文件大小 listItem.SubItems.Add(Math.Ceiling(decimal.Divide(fileInfo[i].Length, 1024)) " KB"); listItem.SubItems.Add(fileInfo[i].Extension "文件");//获取文件扩展名时可用Substring除去点 否则显示".txt文件" listItem.SubItems.Add(fileInfo[i].LastWriteTime.ToString());//获取文件最后访问时间 this.listView1.Items.Add(listItem); //加载数据至filesList } } private void treeView1_AfterSelect_1(object sender, TreeViewEventArgs e) { try { //定义变量 long length; //文件大小 string path; //文件路径 listView1.Items.Clear(); if (e.Node.Tag.ToString() == "桌面") { path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); //获取桌面地址 } else { path = e.Node.Tag.ToString(); } DirectoryInfo dir = new DirectoryInfo(path);//实例目录与子目录 FileInfo[] fileInfo = dir.GetFiles();//获取当前目录文件列表 for (int i = 0; i < fileInfo.Length; i ) { //int itemNumber = this.listView1.Items.Count; ListViewItem listItem = new ListViewItem(); listItem.Text = "[" (i 1) "] " fileInfo[i].Name; //显示文件名 length = fileInfo[i].Length; //获取当前文件大小 listItem.SubItems.Add(Math.Ceiling(decimal.Divide(fileInfo[i].Length, 1024)) " KB"); listItem.SubItems.Add(fileInfo[i].Extension "文件");//获取文件扩展名时可用Substring除去点 否则显示".txt文件" listItem.SubItems.Add(fileInfo[i].LastWriteTime.ToString());//获取文件最后访问时间 this.listView1.Items.Add(listItem); //加载数据至filesList } } catch (Exception msg) //异常处理 { MessageBox.Show(msg.Message); } } private void treeView1_BeforeCheck(object sender, TreeViewCancelEventArgs e) { } private void Form1_Load(object sender, EventArgs e) { treeView1.Nodes[0].Tag = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); } private void 新建文件夹ToolStripMenuItem_Click(object sender, EventArgs e) { string path; path = treeView1.SelectedNode.Tag.ToString(); Directory.CreateDirectory(path "\\" "新建文件夹1"); treeView1.SelectedNode.Nodes.Add(""); //加载空节点 实现 号 treeView1.SelectedNode.Collapse(); treeView1.SelectedNode.Expand(); } private void listView1_MouseUp(object sender, MouseEventArgs e) { } private void listView1_MouseDown(object sender, MouseEventArgs e) { } private void treeView1_MouseDown(object sender, MouseEventArgs e) { } private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) { } private void treeView1_NodeMouseClick_1(object sender, TreeNodeMouseClickEventArgs e) { treeView1.SelectedNode = e.Node; e.Node.ContextMenuStrip = contextMenuStrip1; } private void 删除ToolStripMenuItem_Click(object sender, EventArgs e) { string path; path = treeView1.SelectedNode.Tag.ToString(); Directory.Delete(path ); treeView1.SelectedNode.Remove(); //加载空节点 实现 号// //treeView1.SelectedNode.Parent.Collapse(); //Directory.treeView1.SelectedNode.Parent.Expand(); } private void 重命名ToolStripMenuItem_Click(object sender, EventArgs e) { treeView1.LabelEdit = true; treeView1.SelectedNode.BeginEdit(); } private void treeView1_AfterLabelEdit(object sender, NodeLabelEditEventArgs e) { string path; path = treeView1.SelectedNode.Tag.ToString(); string rename = path.Substring(0, path.LastIndexOf("\\") 1);//获取文件路径 string Rename = rename e.Label; Directory.Move(path,Rename ); e.Node.EndEdit(true); } private void button1_Click_1(object sender, EventArgs e) { treeView1.Visible = false; label1.Visible = false; button1.Visible = false; listView1.Dock = DockStyle.Fill; } }}