C#winform中ListView的使用

使用ListView模仿Windows系统的资源管理器界面，实现文件(夹)的浏览、重命名、删除及查询等功能，主要功能界面展示如下：

1.MainForm.cs及MainForm.Designer.cs

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 Controls
{
    public partial class MainForm : Form
    {
        #region 成员变量
        /// <summary>
        /// 用于递归计算文件夹大小
        /// </summary>
        private long folderSize = 0;

        /// <summary>
        ///打开文件夹根路径
        /// </summary>
        private string rootPath = string.Empty;
        #endregion

        #region 初期化
        /// <summary>
        /// 默认构造函数
        /// </summary>
        public MainForm()
        {
            InitializeComponent();
            //给窗体注册键盘事件
            this.KeyPreview = true;
        }

        /// <summary>
        /// 初始化窗体,绑定事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MainForm_Load(object sender, EventArgs e)
        {
            this.大图标ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click);
            this.详细信息ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click);
            this.平铺ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click);
            this.小图标ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click);
            this.列表ToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItem_Click);
        }
        #endregion

        #region 事件处理
        /// <summary>
        /// 搜索框符合条件的文件夹或文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSearch_Click(object sender, EventArgs e)
        {
            AddItemsToListView(txtPath.Text, txtSearch.Text.Trim());
            AddHeaderToListView(this.lvwData);
        }

        /// <summary>
        /// 给搜索框添加Enter快捷键
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MainForm_KeyDown(object sender, KeyEventArgs e)
        {
            //搜索框获得焦点且按下Enter键时，执行搜索
            if (txtSearch.Focused && e.KeyCode == Keys.Enter)
            {
                this.btnSearch_Click(sender, e);
            }
        }

        /// <summary>
        /// 返回上级目录
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnUp_Click(object sender, EventArgs e)
        {
            if (txtPath.Text == rootPath || !txtPath.Text.Contains("\"))
            {
                return;
            }
            //找到文件夹上级目录的绝对路径
            txtPath.Text = txtPath.Text.Substring(0, txtPath.Text.LastIndexOf("\"));
            AddItemsToListView(txtPath.Text);
            AddHeaderToListView(this.lvwData);
        }

        /// <summary>
        /// 打开文件夹，显示文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnFolder_Click(object sender, EventArgs e)
        {
            DialogResult dr = fbdData.ShowDialog();
            string path = fbdData.SelectedPath.ToString();
            if (dr == DialogResult.OK && path != "")
            {
                rootPath = path;
                txtPath.Text = path;
            }
        }

        /// <summary>
        /// 新建文件夹，选中文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnAdd_Click(object sender, EventArgs e)
        {
            string fullpath = string.Empty;
            AddForm addForm = new AddForm(btnAdd.Text);
            addForm.ShowDialog();
            if (addForm.ButtonFlag)
            {
                fullpath = txtPath.Text + "\" + addForm.TxtName;
            }
            else
            {
                return; //排除关闭窗口异常
            }
            try
            {
                if (Directory.Exists(fullpath))
                {
                    MessageBox.Show("该文件名已经存在！", "提示");
                    return;
                }
                Directory.CreateDirectory(fullpath);
                AddItemsToListView(txtPath.Text);
                AddHeaderToListView(this.lvwData);
            }
            catch (NullReferenceException ex)
            {
                MessageBox.Show(ex.Message, "提示");
            }
            finally
            {
                //选中新增的项，并显示在视野范围内
                for (int i = 0; i < lvwData.Items.Count; i++)
                {
                    if (lvwData.Items[i].Tag.ToString() == fullpath)
                    {
                        //先设置ListView选中
                        lvwData.Focus();
                        lvwData.Items[i].Selected = true;
                        //在视野范围内显示
                        lvwData.EnsureVisible(i);
                        break;
                    }
                }
            }
        }

        /// <summary>
        /// 重命名文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnRename_Click(object sender, EventArgs e)
        {
            if (lvwData.SelectedItems.Count <= 0)
            {
                return;
            }
            string fullName = lvwData.SelectedItems[0].Tag.ToString();
            string path = fullName.Substring(0, fullName.LastIndexOf("\") + 1);//文件路径
            string suffix = GetSuffixName(fullName);//后缀名
            //文件名或文件夹名
            string fileName = string.Empty;
            if (suffix != string.Empty)
            {
                fileName = fullName.Substring(fullName.LastIndexOf("\") + 1,
                        fullName.LastIndexOf(".") - fullName.LastIndexOf("\") - 1);//文件名
            }
            else
            {
                fileName = fullName.Substring(fullName.LastIndexOf("\") + 1);//文件夹名
            }
            string fullPath = string.Empty;
            AddForm addForm = new AddForm(btnRename.Text, fileName);
            addForm.ShowDialog();
            if (suffix != string.Empty)
            {
                fullPath = path + addForm.TxtName + "." + suffix;
            }
            else
            {
                fullPath = path + addForm.TxtName;
            }
            //直接关闭窗口时
            if (!addForm.ButtonFlag)
            {
                return;
            }
            try
            {
                //重命名文件夹
                if (suffix == string.Empty)
                {
                    if (Directory.Exists(fullPath))
                    {
                        MessageBox.Show("该文件名已经存在！", "提示");
                        return;
                    }
                    Directory.Move(fullName, fullPath);
                }
                //重命名文件
                else
                {
                    if (File.Exists(fullPath))
                    {
                        MessageBox.Show("该文件名已经存在！", "提示");
                        return;
                    }
                    File.Move(fullName, fullPath);
                }
                AddItemsToListView(txtPath.Text);
                AddHeaderToListView(this.lvwData);
            }
            catch (NullReferenceException ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        /// <summary>
        /// 删除文件夹
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDelete_Click(object sender, EventArgs e)
        {
            int count = lvwData.SelectedItems.Count;
            if (count <= 0)
            {
                return;
            }
            DialogResult result = MessageBox.Show("你确定删除这" + count + "项吗？", "提示",
                                    MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (result == DialogResult.Yes)
            {
                string path;
                ListViewItem selectitem;
                for (int i = 0; i < lvwData.SelectedItems.Count; ) //此处不能i++
                {
                    selectitem = lvwData.SelectedItems[i];
                    path = selectitem.Tag.ToString();
                    lvwData.Items.Remove(selectitem);
                    if (File.Exists(path))
                    {
                        File.Delete(path);
                    }
                    else if (Directory.Exists(path))
                    {
                        Directory.Delete(path, true);
                    }
                    lvwData.Update();
                }
            }
        }

        /// <summary>
        /// List选中项时发生
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void lvwData_ItemActivate(object sender, EventArgs e)
        {
            ListView lv = (ListView)sender;
            if (lv.SelectedItems.Count <= 0)
            {
                return;
            }
            string filename = lv.SelectedItems[0].Tag.ToString();
            //如果是文件夹，就打开它
            if (Directory.Exists(filename))
            {
                AddItemsToListView(filename);
                AddHeaderToListView(this.lvwData);
                //获取打开的文件夹路径
                txtPath.Text = filename;
            }
            //如果是文件，就执行它
            else
            {
                System.Diagnostics.Process.Start(filename);
            }
        }

        /// <summary>
        /// 根据路径，获取ListView中的显示项
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void txtPath_TextChanged(object sender, EventArgs e)
        {
            AddItemsToListView(txtPath.Text);
            AddHeaderToListView(this.lvwData);
        }

        /// <summary>
        /// ListView列表显示样式
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ToolStripMenuItem tsMenumItem = sender as ToolStripMenuItem;
            if (tsMenumItem.Checked)
            {
                return;//已经选中则返回
            }
            else
            {
                //清除勾选的右键菜单项
                ClearCheckState(cmsStyle);
                //勾选选中的右键菜单项
                tsMenumItem.Checked = true;
            }
            switch (tsMenumItem.Text)
            {
                case "大图标":
                    lvwData.View = View.LargeIcon;
                    break;
                case "详细信息":
                    lvwData.View = View.Details;
                    break;
                case "小图标":
                    lvwData.View = View.SmallIcon;
                    break;
                case "列表":
                    lvwData.View = View.List;
                    break;
                case "平铺":
                    lvwData.View = View.Tile;
                    break;
            }
        }

        /// <summary>
        /// 清除勾选的右键菜单项
        /// </summary>
        /// <param name="cms">右键菜单</param>
        /// <param name="clearAll">是否全部清除</param>
        private void ClearCheckState(ContextMenuStrip cms, bool clearAll = false)
        {
            ToolStripMenuItem tsMenumItemTemp;
            for (int i = 0; i < cms.Items.Count; i++)
            {
                if (!(cms.Items[i] is ToolStripMenuItem))
                {
                    continue;
                }
                tsMenumItemTemp = cms.Items[i] as ToolStripMenuItem;
                if (tsMenumItemTemp.Checked)
                {
                    tsMenumItemTemp.Checked = false;
                    if (!clearAll)
                    {
                        break;
                    }
                }
            }
        }
        #endregion

        #region 设置ListView的显示项
        /// <summary>
        /// 根据根节点类型，设置listview显示项
        /// </summary>
        /// <param name="root">根节点</param>
        /// <param name="keywords">搜索关键字</param>
        private void AddItemsToListView(string root, string keywords = "")
        {
            //把当前ListView里的所有选项与所有列名都删除
            lvwData.Clear();
            lvwData.BeginUpdate();
            //根节点是文件
            if (File.Exists(root))
            {
                AddFileToListView(new FileInfo(root), keywords);
            }
            //根节点是文件夹
            else
            {
                DirectoryInfo dir = new DirectoryInfo(root);
                DirectoryInfo[] dirs = dir.GetDirectories();
                FileInfo[] files = dir.GetFiles();
                //把子文件夹信息添加到ListView中显示
                foreach (DirectoryInfo directoryInfo in dirs)
                {
                    AddFolderToListView(directoryInfo, keywords);
                }
                //把文件夹下文件信息添加到ListView中显示
                foreach (FileInfo fileInfo in files)
                {
                    AddFileToListView(fileInfo, keywords);
                }
            }
            this.lvwData.EndUpdate();
        }

        /// <summary>
        /// 将文件添加到ListView中显示
        /// </summary>
        /// <param name="fileInfo">文件全路径</param>
        /// <param name="keywords">搜索关键字</param>
        private void AddFileToListView(FileInfo fileInfo, string keywords)
        {
            ListViewItem lvi = new ListViewItem();//文件项
            lvi.Tag = fileInfo.FullName;
            lvi.Text = fileInfo.Name;
            lvi.ImageIndex = imgLarge.Images.Count - 1;
            if (keywords != "" && (!lvi.Text.Contains(keywords)))
            {
                return;//搜索不到关键字，不将文件添加到ListView中显示
            }
            //文件的名称属性项
            lvi.SubItems[0].Tag = lvi.Tag;
            lvi.SubItems[0].Text = lvi.Text;
            //文件大小属性项
            ListViewItem.ListViewSubItem lvsi = new ListViewItem.ListViewSubItem();
            lvsi.Tag = fileInfo.Length;
            lvsi.Text = FormatFolderSize(fileInfo.Length);
            lvi.SubItems.Add(lvsi);
            //修改日期属性项
            lvsi = new ListViewItem.ListViewSubItem();
            lvsi.Tag = fileInfo.LastAccessTime.ToString();
            lvsi.Text = fileInfo.LastAccessTime.ToString();
            lvi.SubItems.Add(lvsi);
            //添加文件
            this.lvwData.Items.Add(lvi);
        }

        /// <summary>
        /// 将文件夹添加到ListView中显示
        /// </summary>
        /// <param name="DirectoryInfo">文件夹</param>
        /// <param name="keywords">搜索关键字</param>
        private void AddFolderToListView(DirectoryInfo DirectoryInfo, string keywords)
        {
            ListViewItem lvi = new ListViewItem();
            lvi.Tag = DirectoryInfo.FullName;
            lvi.Text = DirectoryInfo.Name;//显示名称
            lvi.ImageIndex = 0;
            if (keywords != "" && (!lvi.Text.Contains(keywords)))
            {
                return;//搜索不到关键字，不将文件夹添加到ListView中显示
            }
            // 文件夹的名称属性项
            lvi.SubItems[0].Tag = lvi.Tag;
            lvi.SubItems[0].Text = lvi.Text;
            //文件夹大小属性项
            ListViewItem.ListViewSubItem lvsi = new ListViewItem.ListViewSubItem();
            lvsi.Tag = GetFolderSize(DirectoryInfo);
            lvsi.Text = FormatFolderSize(folderSize);
            folderSize = 0;//清零计算文件夹大小的变量
            lvi.SubItems.Add(lvsi);
            //修改日期属性项
            lvsi = new ListViewItem.ListViewSubItem();
            lvsi.Tag = DirectoryInfo.LastAccessTime.ToString();
            lvsi.Text = DirectoryInfo.LastAccessTime.ToString();
            lvi.SubItems.Add(lvsi);
            //添加文件夹
            this.lvwData.Items.Add(lvi);
        }

        /// <summary>
        /// 递归计算文件夹的大小
        /// </summary>
        /// <param name="DirectoryInfo">文件夹</param>
        /// <returns>文件夹大小</returns>
        private long GetFolderSize(DirectoryInfo DirectoryInfo)
        {
            DirectoryInfo[] dirs = DirectoryInfo.GetDirectories();
            FileInfo[] files = DirectoryInfo.GetFiles();
            //是文件夹时，继续递归
            if (dirs.Length > 0)
            {
                foreach (DirectoryInfo dir in dirs)
                {
                    GetFolderSize(dir);
                }
            }
            //是文件时，进行累加计算
            foreach (FileInfo fi in files)
            {
                folderSize = folderSize + fi.Length;
            }
            return folderSize;
        }

        /// <summary>
        /// 将文件夹大小转化为直观的文字显示
        /// </summary>
        /// <param name="size">文件夹大小</param>
        /// <returns>文件夹大小的文字表示</returns>
        private string FormatFolderSize(long size)
        {
            if ((size >> 30) > 0)
            {
                //保留两位小数
                return ((size >> 20) / 1024.0).ToString("F2") + " GB";
            }
            else if ((size >> 20) > 0)
            {
                //保留两位小数
                return ((size >> 10) / 1024.0).ToString("F2") + " MB";
            }
            else
            {
                return (size >> 10) + " KB";
            }
        }

        /// <summary>
        /// 为listview添加列标题
        /// </summary>
        private void AddHeaderToListView(ListView listView)
        {
            ColumnHeader ch = new ColumnHeader();
            ch.Text = "文件名";
            ch.Width = 150;
            listView.Columns.Add(ch);

            ch = new ColumnHeader();
            ch.Width = 70;
            ch.Text = "大小";
            listView.Columns.Add(ch);

            ch = new ColumnHeader();
            ch.Text = "修改日期";
            ch.Width = 140;
            listView.Columns.Add(ch);
        }
        #endregion

        #region 经常使用的公共方法
        /// <summary>
        /// 获取文件后缀名(小写)
        /// </summary>
        /// <param name="path">文件全路径或文件名</param>
        public string GetSuffixName(string path)
        {
            string suffix = string.Empty;
            if (path.Contains("."))
            {
                suffix = path.Substring(path.LastIndexOf(".") + 1);//后缀名
            }
            return suffix.ToLower();
        }

        /// <summary>
        /// 获取应用程序根路径
        /// </summary>
        public string GetApplicationPath()
        {
            string path = Application.StartupPath;
            string folderName = String.Empty;
            while (folderName.ToLower() != "bin")
            {
                path = path.Substring(0, path.LastIndexOf("\"));
                folderName = path.Substring(path.LastIndexOf("\") + 1);
            }
            return path.Substring(0, path.LastIndexOf("\") + 1);
        }
        #endregion
    }
}

namespace Controls
{
    partial class MainForm
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows 窗体设计器生成的代码

        /// <summary>
        /// 设计器支持所需的方法 - 不要
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
            this.lvwData = new System.Windows.Forms.ListView();
            this.imgLarge = new System.Windows.Forms.ImageList(this.components);
            this.imgSmall = new System.Windows.Forms.ImageList(this.components);
            this.btnDelete = new System.Windows.Forms.Button();
            this.btnFolder = new System.Windows.Forms.Button();
            this.btnRename = new System.Windows.Forms.Button();
            this.txtPath = new System.Windows.Forms.TextBox();
            this.txtSearch = new System.Windows.Forms.TextBox();
            this.btnUp = new System.Windows.Forms.Button();
            this.btnAdd = new System.Windows.Forms.Button();
            this.fbdData = new System.Windows.Forms.FolderBrowserDialog();
            this.cmsStyle = new System.Windows.Forms.ContextMenuStrip(this.components);
            this.大图标ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.详细信息ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.平铺ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.小图标ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.列表ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.cmsStyle.SuspendLayout();
            this.SuspendLayout();
            // 
            // lvwData
            // 
            this.lvwData.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.lvwData.ContextMenuStrip = this.cmsStyle;
            this.lvwData.LargeImageList = this.imgLarge;
            this.lvwData.Location = new System.Drawing.Point(12, 45);
            this.lvwData.Name = "lvwData";
            this.lvwData.Size = new System.Drawing.Size(530, 334);
            this.lvwData.SmallImageList = this.imgSmall;
            this.lvwData.TabIndex = 4;
            this.lvwData.UseCompatibleStateImageBehavior = false;
            this.lvwData.ItemActivate += new System.EventHandler(this.lvwData_ItemActivate);
            // 
            // imgLarge
            // 
            this.imgLarge.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgLarge.ImageStream")));
            this.imgLarge.TransparentColor = System.Drawing.Color.Transparent;
            this.imgLarge.Images.SetKeyName(0, "folder.png");
            this.imgLarge.Images.SetKeyName(1, "file.png");
            // 
            // imgSmall
            // 
            this.imgSmall.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgSmall.ImageStream")));
            this.imgSmall.TransparentColor = System.Drawing.Color.Transparent;
            this.imgSmall.Images.SetKeyName(0, "folder.png");
            this.imgSmall.Images.SetKeyName(1, "file.png");
            // 
            // btnDelete
            // 
            this.btnDelete.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnDelete.Location = new System.Drawing.Point(466, 393);
            this.btnDelete.Name = "btnDelete";
            this.btnDelete.Size = new System.Drawing.Size(75, 23);
            this.btnDelete.TabIndex = 8;
            this.btnDelete.Text = "删除文件";
            this.btnDelete.UseVisualStyleBackColor = true;
            this.btnDelete.Click += new System.EventHandler(this.btnDelete_Click);
            // 
            // btnFolder
            // 
            this.btnFolder.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
            this.btnFolder.Location = new System.Drawing.Point(12, 393);
            this.btnFolder.Name = "btnFolder";
            this.btnFolder.Size = new System.Drawing.Size(75, 23);
            this.btnFolder.TabIndex = 5;
            this.btnFolder.Text = "打开文件夹";
            this.btnFolder.UseVisualStyleBackColor = true;
            this.btnFolder.Click += new System.EventHandler(this.btnFolder_Click);
            // 
            // btnRename
            // 
            this.btnRename.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnRename.Location = new System.Drawing.Point(363, 393);
            this.btnRename.Name = "btnRename";
            this.btnRename.Size = new System.Drawing.Size(75, 23);
            this.btnRename.TabIndex = 7;
            this.btnRename.Text = "重命名";
            this.btnRename.UseVisualStyleBackColor = true;
            this.btnRename.Click += new System.EventHandler(this.btnRename_Click);
            // 
            // txtPath
            // 
            this.txtPath.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.txtPath.Location = new System.Drawing.Point(12, 12);
            this.txtPath.Name = "txtPath";
            this.txtPath.ReadOnly = true;
            this.txtPath.Size = new System.Drawing.Size(332, 21);
            this.txtPath.TabIndex = 1;
            this.txtPath.TextChanged += new System.EventHandler(this.txtPath_TextChanged);
            // 
            // txtSearch
            // 
            this.txtSearch.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.txtSearch.Location = new System.Drawing.Point(350, 12);
            this.txtSearch.Name = "txtSearch";
            this.txtSearch.Size = new System.Drawing.Size(111, 21);
            this.txtSearch.TabIndex = 2;
            // 
            // btnUp
            // 
            this.btnUp.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.btnUp.Location = new System.Drawing.Point(467, 10);
            this.btnUp.Name = "btnUp";
            this.btnUp.Size = new System.Drawing.Size(75, 23);
            this.btnUp.TabIndex = 3;
            this.btnUp.Text = "上级目录";
            this.btnUp.UseVisualStyleBackColor = true;
            this.btnUp.Click += new System.EventHandler(this.btnUp_Click);
            // 
            // btnAdd
            // 
            this.btnAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnAdd.Location = new System.Drawing.Point(260, 393);
            this.btnAdd.Name = "btnAdd";
            this.btnAdd.Size = new System.Drawing.Size(75, 23);
            this.btnAdd.TabIndex = 6;
            this.btnAdd.Text = "新建文件夹";
            this.btnAdd.UseVisualStyleBackColor = true;
            this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
            // 
            // cmsStyle
            // 
            this.cmsStyle.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.大图标ToolStripMenuItem,
            this.详细信息ToolStripMenuItem,
            this.平铺ToolStripMenuItem,
            this.小图标ToolStripMenuItem,
            this.列表ToolStripMenuItem});
            this.cmsStyle.Name = "cmsStyle";
            this.cmsStyle.Size = new System.Drawing.Size(125, 114);
            // 
            // 大图标ToolStripMenuItem
            // 
            this.大图标ToolStripMenuItem.Checked = true;
            this.大图标ToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked;
            this.大图标ToolStripMenuItem.Name = "大图标ToolStripMenuItem";
            this.大图标ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.大图标ToolStripMenuItem.Text = "大图标";
            // 
            // 详细信息ToolStripMenuItem
            // 
            this.详细信息ToolStripMenuItem.Name = "详细信息ToolStripMenuItem";
            this.详细信息ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.详细信息ToolStripMenuItem.Text = "详细信息";
            // 
            // 平铺ToolStripMenuItem
            // 
            this.平铺ToolStripMenuItem.Name = "平铺ToolStripMenuItem";
            this.平铺ToolStripMenuItem.Size = new System.Drawing.Size(124, 22);
            this.平铺ToolStripMenuItem.Text = "平铺";
            // 
            // 小图标ToolStripMenuItem
            // 
            this.小图标ToolStripMenuItem.Name = "小图标ToolStripMenuItem";
            this.小图标ToolStripMenuItem.Size = new System.Drawing.Size(124, 22);
            this.小图标ToolStripMenuItem.Text = "小图标";
            // 
            // 列表ToolStripMenuItem
            // 
            this.列表ToolStripMenuItem.Name = "列表ToolStripMenuItem";
            this.列表ToolStripMenuItem.Size = new System.Drawing.Size(124, 22);
            this.列表ToolStripMenuItem.Text = "列表";
            // 
            // MainForm
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(554, 432);
            this.Controls.Add(this.btnAdd);
            this.Controls.Add(this.btnUp);
            this.Controls.Add(this.txtSearch);
            this.Controls.Add(this.txtPath);
            this.Controls.Add(this.btnRename);
            this.Controls.Add(this.btnFolder);
            this.Controls.Add(this.btnDelete);
            this.Controls.Add(this.lvwData);
            this.Name = "MainForm";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "ListView的使用";
            this.Load += new System.EventHandler(this.MainForm_Load);
            this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.MainForm_KeyDown);
            this.cmsStyle.ResumeLayout(false);
            this.ResumeLayout(false);
            this.PerformLayout();

        }
        #endregion

        private System.Windows.Forms.ListView lvwData;
        private System.Windows.Forms.Button btnDelete;
        private System.Windows.Forms.Button btnFolder;
        private System.Windows.Forms.Button btnRename;
        private System.Windows.Forms.TextBox txtPath;
        private System.Windows.Forms.TextBox txtSearch;
        private System.Windows.Forms.Button btnUp;
        private System.Windows.Forms.Button btnAdd;
        private System.Windows.Forms.FolderBrowserDialog fbdData;
        private System.Windows.Forms.ImageList imgSmall;
        private System.Windows.Forms.ImageList imgLarge;
        private System.Windows.Forms.ContextMenuStrip cmsStyle;
        private System.Windows.Forms.ToolStripMenuItem 大图标ToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem 详细信息ToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem 小图标ToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem 列表ToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem 平铺ToolStripMenuItem;
    }
}

2.AddForm.cs及AddForm.Designer.cs

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.Text.RegularExpressions;

namespace Controls
{
    public partial class AddForm : Form
    {
        #region 公开字段及属性
        /// <summary>
        /// 检查输入是否为空
        /// </summary>
        public bool ButtonFlag = false;

        /// <summary>
        /// 文件夹名或文件名
        /// </summary>
        public string TxtName
        {
            get { return this.txtName.Text.Trim(); }
        }
        #endregion

        #region 初期化
        /// <summary>
        /// 默认构造函数
        /// </summary>
        public AddForm()
        {
            InitializeComponent();
            //给窗体注册键盘事件
            this.KeyPreview = true;
        }

        /// <summary>
        /// 构造函数,用于新增文件夹
        /// </summary>
        /// <param name="title">标题</param>
        public AddForm(string title)
            : this()
        {
            this.Text = title;
        }

        /// <summary>
        /// 构造函数,用于更新文件夹
        /// </summary>
        /// <param name="title">标题</param>
        /// <param name="name">内容</param>
        public AddForm(string title, string name)
            : this(title)
        {
            this.txtName.Text = name;
        }
        #endregion

        #region 事件处理
        /// <summary>
        /// 输入只能是字母、下划线、数字及中文字符
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void txtName_KeyPress(object sender, KeyPressEventArgs e)
        {
            //全选(1)、复制(3)、退格键(8)、粘贴(22)、下划线(95)
            int[] chars = { 1, 3, 8, 22, 95 };
            // 允许输入字母、下划线、数字、中文字符,允许全选、复制、删除、粘贴
            if (Char.IsLetter(e.KeyChar) || Char.IsDigit(e.KeyChar)
                || (e.KeyChar >= 0x4e00 && e.KeyChar <= 0x9fa5) || chars.Contains(e.KeyChar))
            {
                e.Handled = false;
            }
            else
            {
                e.Handled = true;
            }
        }

        /// <summary>
        /// 粘贴时过滤不是字母,下划线,数字及中文的字符
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void txtName_TextChanged(object sender, EventArgs e)
        {
            TextBox textBox = sender as TextBox;
            //匹配字母,下划线,数字及中文字符的正则表达式
            var reg = new Regex("^[A-Z|a-z|_|0-9|u4e00-u9fa5]*$");
            var str = textBox.Text.Trim();
            var sb = new StringBuilder();
            if (!reg.IsMatch(str))
            {
                for (int i = 0; i < str.Length; i++)
                {
                    if (reg.IsMatch(str[i].ToString()))
                    {
                        sb.Append(str[i].ToString());
                    }
                }
                textBox.Text = sb.ToString();
                //定义输入焦点在最后一个字符
                textBox.SelectionStart = textBox.Text.Length;
            }
        }

        /// <summary>
        /// 提交信息
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSave_Click(object sender, EventArgs e)
        {
            //新增或编辑文件夹名或文件名
            if (txtName.Text.Trim() != "")
            {
                ButtonFlag = true;
                this.Close();
            }
            else
            {
                MessageBox.Show(this.lblName.Text + "不能为空！", "提示");
            }
        }

        /// <summary>
        /// 给确定按钮添加快捷键
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void AddForm_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                this.btnSave_Click(sender, e);
            }
        }
        #endregion
    }
}

namespace Controls
{
    partial class AddForm
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.lblName = new System.Windows.Forms.Label();
            this.txtName = new System.Windows.Forms.TextBox();
            this.btnSave = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // lblName
            // 
            this.lblName.AutoSize = true;
            this.lblName.Font = new System.Drawing.Font("宋体", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.lblName.Location = new System.Drawing.Point(11, 30);
            this.lblName.Name = "lblName";
            this.lblName.Size = new System.Drawing.Size(59, 13);
            this.lblName.TabIndex = 0;
            this.lblName.Text = "文件夹名";
            // 
            // txtName
            // 
            this.txtName.Font = new System.Drawing.Font("宋体", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.txtName.Location = new System.Drawing.Point(78, 26);
            this.txtName.Name = "txtName";
            this.txtName.Size = new System.Drawing.Size(171, 22);
            this.txtName.TabIndex = 1;
            this.txtName.TextChanged += new System.EventHandler(this.txtName_TextChanged);
            this.txtName.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txtName_KeyPress);
            // 
            // btnSave
            // 
            this.btnSave.Font = new System.Drawing.Font("宋体", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.btnSave.Location = new System.Drawing.Point(259, 26);
            this.btnSave.Name = "btnSave";
            this.btnSave.Size = new System.Drawing.Size(60, 22);
            this.btnSave.TabIndex = 2;
            this.btnSave.Text = "确定";
            this.btnSave.UseVisualStyleBackColor = true;
            this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
            // 
            // AddForm
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(334, 72);
            this.Controls.Add(this.btnSave);
            this.Controls.Add(this.txtName);
            this.Controls.Add(this.lblName);
            this.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.MaximizeBox = false;
            this.Name = "AddForm";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "新建文件夹";
            this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.AddForm_KeyDown);
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Label lblName;
        private System.Windows.Forms.TextBox txtName;
        private System.Windows.Forms.Button btnSave;
    }
}

 3.添加文件夹及图片资源

1.文件夹Resource目录下包含：文件夹图片(folder.png)，文件图片(file.png)两个文件

2.为ImageList(imgLarge,imgSmall)控件添加Images属性、设置ImageSize属性(imgLarge--40*40, imgSmall--20*20)

===相关参考链接===

1.C#winform中ListView及ContextMenuStrip的使用：http://www.cnblogs.com/makesense/p/4079835.html

2.C#winform点击ListView列标题进行排序:http://bbs.csdn.net/topics/350071962

3.C#删除文件和文件夹到回收站：http://www.cnblogs.com/lazycoding/archive/2012/09/25/2702007.html