軒袁寨

#region Linq test
        StreamReader objReader = new StreamReader(textBox1.Text.ToString());
        string sLine = "";
        List<string> arrText = new List<string>();
        while (sLine != null)
        {
            sLine = objReader.ReadLine();
            if (sLine != null)
                arrText.Add(sLine);
        }
        objReader.Close();

        StreamReader objReader2 = new StreamReader(textBox2.Text.ToString());
        string sLine2 = "";
        List<string> arrText2 = new List<string>();
        while (sLine2 != null)
        {
            sLine2 = objReader2.ReadLine();
            if (sLine2 != null)
                arrText2.Add(sLine2);
        }
        objReader2.Close();


        double total = 0;
        System.Diagnostics.Stopwatch swt = new System.Diagnostics.Stopwatch();//引用stopwatch物件
        swt.Reset();
        swt.Start();
        int num = 0;
        List<string> arrText3 = new List<string>();
        foreach (string sOutput in arrText2)
        {

            if (sOutput != arrText[num].ToString())
            {
                arrText3.Add(sOutput);
            }
            num++;
        }
        swt.Stop();
        total += swt.Elapsed.TotalSeconds;
    //    MessageBox.Show("比對完成" + total.ToString());

        System.Diagnostics.Stopwatch swt2 = new System.Diagnostics.Stopwatch();//引用stopwatch物件
        double tota2 = 0;
        swt2.Reset();
        swt2.Start();
        IEnumerable<string> onlyInFirstSet = arrText2.Except<string>(arrText);//與比對一的差別
        swt2.Stop();

      
        tota2 += swt2.Elapsed.TotalSeconds;
        MessageBox.Show("比對完成" + "list<string>:" + total.ToString() + "  LINQ:" + tota2.ToString());



        #endregion


        foreach (string sOutpu2 in onlyInFirstSet)
        {
            using (StreamWriter sw = File.CreateText(@"c:\123.txt"))
            {
                sw.WriteLine(sOutpu2 + "\n");
                sw.Close();
            }

        }