C#.Net 取得檔案和資料夾最後修改時間

取得檔案用File
取得資料夾用Directory

寫法如下

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.Windows.Forms;

namespace GetTime
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button_OpenFile_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "標準文字檔|*.txt";
            if (ofd.ShowDialog() == DialogResult.OK)
            {
                MessageBox.Show("檔案最後修改時間：" + File.GetLastWriteTime(ofd.FileName).ToString());
            }
        }

        private void button_OpenFolder_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog fbd = new FolderBrowserDialog();
            if (fbd.ShowDialog() == DialogResult.OK)
            {
                MessageBox.Show("資料夾最後寫入時間：" + Directory.GetLastWriteTime(fbd.SelectedPath).ToString());
            }
        }
    }
}

參考資料：
http://www.blueshop.com.tw/board/show.asp?subcde=BRD200904281757588SO
http://www.dotblogs.com.tw/chou/archive/2011/05/31/26664.aspx
http://takamai.pixnet.net/blog/post/38394731
http://www.programmer-club.com/ShowSameTitleN/csharp/9680.html

http://msdn.microsoft.com/zh-tw/library/system.io.directory(v=vs.80).aspx