FileInfo fi = new FileInfo("C://test.txt");Console.WriteLine(fi.CreationTime.ToString());Console.WriteLine(fi.LastWriteTime.ToString());Console.WriteLine(fi.LastAccessTime.ToString());// 改變（設置）文件的創建、修改、訪問時間File.SetCreationTime("C://test.txt", DateTime.Now.AddYears(-1));File.SetLastWriteTime("C://test.txt", DateTime.Now.AddYears(-2));File.SetLastAccessTime("C://test.txt", DateTime.Now.AddYears(-3));