性能调优工具类MyStopwatch

类名：MyStopwatch

功能：输出一段程序的运行耗时。

用法：

   using (new MyStopwatch("Save")) 
   //
   MyStopwatch: Save Took 1000 Ms
   

   {
 Thread.Sleep(
   1000
   ); 
}
  

输出：MyStopwatch: Save Took 1000 Ms

 

 

类代码：

 

public class MyStopwatch : IDisposable
{
private string _name;
private Stopwatch _sw;

public MyStopwatch( string name)
{
#if DEBUG
_sw = new Stopwatch();
_name = name;
_sw.Start();
#endif
}

void IDisposable.Dispose()
{
#if DEBUG
if (_name == null ) throw new InvalidOperationException( " you didn't specified operation name in the construction\nyou should use it like this: new MyStopwatch(\ " Operation_Name\ " ) " );

_sw.Stop();

Debug.WriteLine( " MyStopwatch: " + _name + " Took " + _sw.ElapsedMilliseconds + " Ms " );

_sw = null ;
_name = null ;
#endif
}
}