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 }