form1.cs

这是.net2005学习不可缺少的教程

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 FileManager
{
    public partial class Form1 : Form
    {
        private bool mIsInitialized = false;

        public Form1()
        {
            InitializeComponent();
            Initialize();
        }


        private void Initialize()
        {
            try
            {
                if (mIsInitialized)
                    return;

                this.tb_CurPath.Text = GetInitDir();
                lstFiles.View = View.Details;
                lstFiles.Columns.Add("文件名称", lstFiles.Width / 3, HorizontalAlignment.Left);
                lstFiles.Columns.Add("目录/文件", lstFiles.Width / 6, HorizontalAlignment.Center);
                lstFiles.Columns.Add("文件大小", lstFiles.Width / 6, HorizontalAlignment.Right);
                lstFiles.Columns.Add("最后存取时间", lstFiles.Width / 3, HorizontalAlignment.Left);
                FillFiles();
                mIsInitialized = true;
            }
            catch (System.Exception E)
            {
                ErrorHandler(E.ToString());
            }
        }

        private string GetInitDir()
        {

            // 返回应用执行时候的当前目录
            return Application.StartupPath;

        }

        private void ErrorHandler(string ErrorDescription)
        {
            MessageBox.Show(ErrorDescription);
        }

        private void FillFiles()
        {
            // 将文件列表写入ListView
            lstFiles.Items.Clear();

            DirectoryInfo cd = new DirectoryInfo(this.tb_CurPath.Text + "\\");
            foreach (DirectoryInfo d in cd.GetDirectories())
            {
                lstFiles.Items.Add(new ListViewItem(new string[] { d.Name, "目录", "", d.LastWriteTime.ToString("yyyy-MM-dd hh:mm:ss", null) }));

            }
            foreach (FileInfo f in cd.GetFiles())
            {
                lstFiles.Items.Add(new ListViewItem(new string[] { f.Name, "档案", f.Length.ToString(), f.LastWriteTime.ToString("yyyy-MM-dd hh:mm:ss", null) }));

            }
        }

        private void btn_Up_Click(object sender, EventArgs e)
        {
            if (this.tb_CurPath.Text.LastIndexOf("\\") != -1)
            {
                this.tb_CurPath.Text = this.tb_CurPath.Text.Substring(0, this.tb_CurPath.Text.LastIndexOf("\\"));
                FillFiles();
            }

        }

        private void btn_CreateFolder_Click(object sender, EventArgs e)
        {
            if (txtNewDir.Text == "")
            {
                MessageBox.Show("目录名称不可空白");
                return;
            }
            if (Directory.Exists(tb_CurPath.Text + "\\" + txtNewDir.Text))
            {
                MessageBox.Show("目录[" + tb_CurPath.Text + "\\" + txtNewDir.Text + "]已存在");
                return;
            }
            Directory.CreateDirectory(tb_CurPath.Text + "\\" + txtNewDir.Text);
            FillFiles();

        }

        private void btn_CreateFile_Click(object sender, EventArgs e)
        {
            if (txtNewFile.Text == "")
            {
                MessageBox.Show("文件名称不可空白");
                return;
            }
            if (File.Exists(tb_CurPath.Text + "\\" + txtNewFile.Text))
            {
                MessageBox.Show("文件[" + tb_CurPath.Text + "\\" + txtNewFile.Text + "]已存在");
                return;
            }
            FileStream fs = File.Create(txtCurDir.Text + "\\" + txtNewFile.Text);
            fs.Close();
            FillFiles();

        }

        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                if (lstFiles.SelectedItems.Count == 0)
                    return;
                if (lstFiles.SelectedItems[0].SubItems[1].Text == "目录")//删除目录
                {
                    string strDir = tb_CurPath.Text + "\\" + lstFiles.SelectedItems[0].Text;
                    DialogResult ret = MessageBox.Show("确定删除目录[" + strDir + "]?", "确定删除", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
                    if (ret == DialogResult.OK)
                    {
                        Directory.Delete(strDir, false);
                        FillFiles();
                        MessageBox.Show("目录[" + strDir + "]已成功的删除.");
                    }
                }
                else //删除档案
                {
                    string strFile = tb_CurPath.Text + "\\" + lstFiles.SelectedItems[0].Text;
                    DialogResult ret = MessageBox.Show("确定删除档案[" + strFile + "]?", "确定删除", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
                    if (ret == DialogResult.OK)
                    {
                        File.Delete(strFile);
                        FillFiles();
                        MessageBox.Show("档案[" + strFile + "]已成功的删除.");
                    }
                }
            }
            catch (System.Exception E)
            {
                ErrorHandler(E.ToString());
            }

        }

    }
}