性能监视Stopwatch使用

代码

   
     

    
      
    
       Stopwatch watch 
    
      =
    
       
    
      new
    
       Stopwatch();
 watch.Start();
 ArrayList al 
    
      =
    
       
    
      new
    
       ArrayList();
 
    
      for
    
       (
    
      long
    
       i 
    
      =
    
       
    
      0
    
      ; i 
    
      <
    
       
    
      1000000
    
      ; i
    
      ++
    
      )
 {
 al.Add(i);
 }
 watch.Stop();
 Console.WriteLine(watch.ElapsedMilliseconds);

 watch.Reset();

 watch.Start();
 List
    
      <
    
      int
    
      >
    
       list 
    
      =
    
       
    
      new
    
       List
    
      <
    
      int
    
      >
    
      ();
 
    
      for
    
       (
    
      int
    
       i 
    
      =
    
       
    
      0
    
      ; i 
    
      <
    
       
    
      1000000
    
      ; i
    
      ++
    
      )
 {
 list.Add(i);
 }
 watch.Stop();
 Console.WriteLine(watch.ElapsedMilliseconds);