[C#]記錄程式執行時間

記錄程式執行時間
要先using System.Diagnostics;


using System.Diagnostics;
Stopwatch sw = new Stopwatch();
sw.Reset();
sw = Stopwatch.StartNew();
//要測時間的程式碼放這裡
sw.Stop();
TimeSpan e1 = sw.Elapsed;
long ms = sw.ElapsedMilliseconds;
MessageBox.Show(e1 + "秒 " + ms + "毫秒");