云飞扬的ITblog

using System;
using System.IO;
using System.Text;
using System.Runtime.InteropServices;
namespace IOcaozuo
{
    static class Program
    {
        public static void DisplayTimestamps(this DirectoryInfo dirInfo)
        {
            Console.WriteLine(dirInfo.CreationTime.ToString());
            Console.WriteLine(dirInfo.LastAccessTime.ToString());
            Console.WriteLine(dirInfo.LastWriteTime.ToString());
        }
 
        public static void ModifyTimestamps(this DirectoryInfo dirInfo, DateTime dt)
        {
            dirInfo.CreationTime = dt;
            dirInfo.LastAccessTime = dt;
            dirInfo.LastWriteTime = dt;
        }
        public static void MakeDirectoryHidden(this DirectoryInfo dirInfo)
        {
             dirInfo.Attributes |= FileAttributes.Hidden;
        }
        static void Main(string[] args)
        {
 
            ManipulateDirectoryAttributes();
        }
 
        public static void ManipulateDirectoryAttributes()
        {
            string path = Path.GetTempPath() + @"\MyTemp";
            Directory.CreateDirectory(path);
            try
            {
                DateTime dt = new DateTime(2003, 5, 10);
 
                //显示目录时间，这里调用静态方法
                DisplayDirectoryTimestamps(path);
                ModifyDirectoryTimestamps(path, dt);
                 //DirectoryInfo目录信息显示时间和属性
                 DirectoryInfo dirInfo = new DirectoryInfo(path);
                 dirInfo.DisplayTimestamps();//扩展方法
                 dirInfo.ModifyTimestamps(dt);//扩展方法
                DisplayDirectoryHiddenAttribute(path);
                dirInfo.MakeDirectoryHidden();//扩展方法
                DisplayDirectoryHiddenAttribute(path);
            }
            catch (Exception e)
            {
                Console.WriteLine("{0}", e.ToString());
            }
            Directory.Delete(path, true);
        }
 
        public static void DisplayDirectoryTimestamps(string path)
        {
            Console.WriteLine(Directory.GetCreationTime(path).ToString());
            Console.WriteLine(Directory.GetLastAccessTime(path).ToString());
            Console.WriteLine(Directory.GetLastWriteTime(path).ToString());
        }
 
        public static void ModifyDirectoryTimestamps(string path, DateTime dt)
        {
            Directory.SetCreationTime(path, dt);
            Directory.SetLastAccessTime(path, dt);
            Directory.SetLastWriteTime(path, dt);
        }
 
        public static void DisplayDirectoryHiddenAttribute(string path)
        {
            DirectoryInfo dirInfo = new DirectoryInfo(path);
            // Display whether this directory is hidden
            Console.WriteLine("Is directory hidden? = " +
                ((dirInfo.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden));
        }
 
 
    }
}