Linq操作集合数组

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private void button1_Click(object sender, EventArgs e)
        {
            if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
            {
                listView1.Items.Clear();
                textBox1.Text = folderBrowserDialog1.SelectedPath;
                List<FileInfo> myFiles = new List<FileInfo>();
                foreach (string strFile in Directory.GetFiles(textBox1.Text))
                {
                    myFiles.Add(new FileInfo(strFile));
                }
                var values = from strFile in myFiles
                             group strFile by strFile.Extension into FExten
                             orderby FExten.Key
                             select FExten;
                foreach(var vFiles in values)
                {
                    foreach (var f in vFiles)
                        listView1.Items.Add(f.FullName);
                }
            }
        }

        private void listView1_Click(object sender, EventArgs e)
        {
            FileInfo myFile = new FileInfo(listView1.SelectedItems[0].Text);
            string[] strAttribute = new string[] { myFile.Name, Convert.ToDouble(myFile.Length / 1024).ToString(), myFile.Extension,myFile.CreationTime.ToString(),myFile.IsReadOnly.ToString(),myFile.LastWriteTime.ToString()};
            var values = from str in strAttribute
                         select new
                         {
                             Name = strAttribute[0].ToString(),
                             Size = strAttribute[1].ToString(),
                             Exten = strAttribute[2].ToString(),
                             CTime = strAttribute[3].ToString(),
                             ReadOnly = strAttribute[4].ToString(),
                             WTime = strAttribute[5].ToString()
                         };
            foreach (var v in values)
            {
                textBox2.Text = v.Name.ToString();
                textBox4.Text = v.Size.ToString();
                textBox3.Text = v.Exten.ToString();
                textBox5.Text = v.CTime.ToString();
                textBox6.Text = v.WTime.ToString();
                textBox7.Text = v.ReadOnly.ToString();
            }

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