C#統計代碼塊執行時間

1.修改VS中項目輸出類型

2.添加代碼

Stopwatch watch = new Stopwatch();
        watch = Stopwatch.StartNew();
        watch.Start();

        Thread.Sleep(500);//執行代碼段

        watch.Stop();
        Console.WriteLine(watch.ElapsedMilliseconds);//列印執行時間