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a guest May 26th, 2019 71 Never
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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Diagnostics;
  4. using System.IO;
  5. using System.Linq;
  6. using System.Runtime.InteropServices;
  7. using System.Text;
  8. using System.Threading;
  9. using System.Threading.Tasks;
  10.  
  11. namespace TimePeriod
  12. {
  13.     class Program
  14.     {
  15.         [DllImport("winmm.dll")]
  16.         internal static extern uint timeBeginPeriod(uint period);
  17.  
  18.         [DllImport("winmm.dll")]
  19.         internal static extern uint timeEndPeriod(uint period);
  20.  
  21.         const int sleeptime = 5;
  22.         static void Main(string[] args)
  23.         {
  24.             Stopwatch stopwatch = new Stopwatch();
  25.             stopwatch.Restart();
  26.             Thread.Sleep(sleeptime);
  27.             stopwatch.Stop();
  28.             Console.WriteLine($"Thread.Sleep({sleeptime}) Normal--{stopwatch.ElapsedMilliseconds}ms--{stopwatch.ElapsedTicks}Ticks");
  29.  
  30.             timeBeginPeriod(1);
  31.             stopwatch.Restart();
  32.             Thread.Sleep(sleeptime);
  33.             stopwatch.Stop();
  34.             Console.WriteLine($"Thread.Sleep({sleeptime}) timeBeginPeriod(1)--{stopwatch.ElapsedMilliseconds}ms--{stopwatch.ElapsedTicks}Ticks");
  35.             timeEndPeriod(1);
  36.  
  37.             Task.Run(() =>
  38.             {
  39.                 int count = 50;
  40.                 while (count > 0)
  41.                 {
  42.                     count--;
  43.                     stopwatch.Restart();
  44.                     Thread.Sleep(sleeptime);
  45.                     Console.WriteLine($"Thread.Sleep({sleeptime}) Normal--{stopwatch.ElapsedMilliseconds}ms--{stopwatch.ElapsedTicks}Ticks");
  46.                     stopwatch.Stop();
  47.                 }
  48.             });
  49.  
  50.             Console.ReadLine();
  51.  
  52.         }
  53.  
  54.        
  55.     }
  56. }
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