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
        }
    }