深入.NET平台和C#编程.第九章：文件操作.上机练习3-5

--------------------------------------------------MyFile类--------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Shangjilx3
{
    public class MyFile
    {
        //文件名
        public string Name { get; set; }

        //文件类型
        public string Type { get; set; }

        //文件大小
        public double Length { get; set; }

        //文件路径
        public string Path { get; set; }
    }
}

--------------------------------------------------formzyglqi主窗体------------------------------------------

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

namespace Shangjilx3
{
    public partial class formzyglqi : Form
    {
        public formzyglqi()
        {
            InitializeComponent();
        }

        List<MyFile> list = new List<MyFile>();

        /// <summary>
        /// 绑定ListView
        /// </summary>
        public void BindInfo()
        {
            try
            {
                this.listView1.Items.Clear();
                DirectoryInfo dir = new DirectoryInfo(this.treeView1.SelectedNode.Tag.ToString());
                FileInfo[] dirs = dir.GetFiles();

                foreach (FileInfo item in dirs)
                {
                    MyFile my = new MyFile();
                    my.Length = item.Length;
                    my.Name = item.Name;
                    my.Path = item.FullName;
                    my.Type = item.Extension;
                    list.Add(my);
                    ListViewItem lv = new ListViewItem();
                    lv.Text = item.Name;
                    lv.SubItems.Add(item.Length.ToString());
                    lv.SubItems.Add(item.Extension);
                    lv.SubItems.Add(item.FullName);
                    this.listView1.Items.Add(lv);
                }
            }
            catch (Exception)
            {
                
            }
        }

        /// <summary>
        /// 初始化TreeView
        /// </summary>
        public void IniTreeView()
        {
            TreeNode tn = new TreeNode("D:/");
            tn.Tag = "D:/";
            this.treeView1.Nodes.Add(tn);
            DirectoryInfo info = new DirectoryInfo(this.treeView1.Nodes[0].Tag.ToString());
            DirectoryInfo[] dirs = info.GetDirectories();
            foreach (var item in dirs)
            {
                TreeNode node = new TreeNode(item.ToString());
                node.Tag = item.FullName;
                this.treeView1.Nodes[0].Nodes.Add(node);
            }
            //展开所有树形节点
            this.treeView1.ExpandAll();
        }


        /// <summary>
        /// 窗口加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void formzyglqi_Load(object sender, EventArgs e)
        {
            IniTreeView();
        }

        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            BindInfo();
        }

        /// <summary>
        /// 复制
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog fbd = new FolderBrowserDialog();
            DialogResult dr = fbd.ShowDialog();
            string sourcePath = listView1.SelectedItems[0].SubItems[3].Text;
            string desPath = null;
            if (dr == DialogResult.OK)
            {
                desPath = fbd.SelectedPath;
                desPath += "/" + listView1.SelectedItems[0].SubItems[0].Text;
                File.Copy(sourcePath , desPath);
                MessageBox.Show("复制成功");
            }
        }

         /// <summary>
         /// 删除
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string oName = listView1.SelectedItems[0].Text;
            string path = listView1.SelectedItems[0].SubItems[3].Text;
            int index = oName.IndexOf(".");
            string nName = oName.Substring(0 , index);
            DialogResult result = MessageBox.Show("是否删除" + nName, "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (result == DialogResult.Yes)
            {
                File.Delete(path);
                MessageBox.Show("删除成功");
                BindInfo();
            }
        }

    }
}

--------------------------------------------------运行结果--------------------------------------------------