string myDocuments = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); var query = from pathname in Directory.GetFiles(myDocuments) let LastWriteTime = File.GetLastWriteTime(pathname) where LastWriteTime > (DateTime.Now - TimeSpan.FromDays(7)) orderby LastWriteTime select new { Path = pathname, LastWriteTime };//匿名类型的对象构成的集合 foreach (var file in query) { rtxtResult.Text += string.Format("LastWriteTime={0},Path={1}", file.LastWriteTime, file.Path); }
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