文件夹中文件夹(文件)按时间排序,读取最新的文件夹(文件)

原文：http://blog.csdn.net/xue1234567890/archive/2009/08/18/4457363.aspx

C#

using System.IO;   
  
 private void button1_Click(object sender, EventArgs e)   
        {   
            //DirectoryInfo[] list = new DirectoryInfo(path).GetDirectories();// path：文件夹路径   
            DirectoryInfo[] list = new DirectoryInfo(@"D:\软件").GetDirectories();   
            Array.Sort<DirectoryInfo>(list, new DirectoryLastTimeComparer());   
  
            textBox1.Text = list[list.Length - 1].FullName;//文件夹的全路径以及名字   
            textBox1.Text = list[list.Length - 1].Name;    //文件夹的名字          
        }   
  
        private void button2_Click(object sender, EventArgs e)   
        {   
            FileInfo[] list = new DirectoryInfo(@"D:\软件").GetFiles();   
            Array.Sort<FileInfo>(list, new FIleLastTimeComparer());   
  
            textBox1.Text = list[list.Length - 1].FullName;//文件的全路径以及名字   
            textBox1.Text = list[list.Length - 1].Name;    //文件的名字          
  
        }   
  
    }   
  
    //文件夹中按时间排序最新的文件读取   
    public class DirectoryLastTimeComparer : IComparer<DirectoryInfo>   
    {  
        #region IComparer<DirectoryInfo> 成员   
  
        public int Compare(DirectoryInfo x, DirectoryInfo y)   
        {   
            return x.LastWriteTime.CompareTo(y.LastWriteTime);   
  
        }  
 
        #endregion   
    }   
  
    //文件夹中按时间排序最新的文件读取   
    public class FIleLastTimeComparer : IComparer<FileInfo>   
    {  
        #region IComparer<FileInfo> 成员   
  
        public int Compare(FileInfo x, FileInfo y)   
        {   
            return x.LastWriteTime.CompareTo(y.LastWriteTime);   
        }  
 
        #endregion   
    }