C#计算程序执行过程花费时间的方法

void AddInfo(){ System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch(); sw.Start(); for (int i = 0; i < 1000; i++) {  Console.WriteLine(i.ToString());  System.Threading.Thread.Sleep(10); } sw.Stop(); Console.WriteLine("Time elapsed: {0}", sw.Elapsed);}