C# Global定时执行Global文件aTimer处理

    public class Global : System.Web.HttpApplication

    {

        private static event Action eventActions;

        /// <summary>

        ///  当前正在运行的异步线程池

        /// </summary>

        private static Dictionary<string, IAsyncResult> diyAsync = new Dictionary<string, IAsyncResult>();

        protected void Application_Start(object sender, EventArgs e)

        {

            eventActions += MyClass.Writer;//任务(可以处理多个方法)

            System.Timers.Timer aTimer = new System.Timers.Timer();

            aTimer.Elapsed += new System.Timers.ElapsedEventHandler(OnTimedEvent);

            aTimer.Interval = ;

            aTimer.Enabled = true;

        }

        /// <summary>

        /// 定时执行任务

        /// </summary>

        /// <param name="source"></param>

        /// <param name="e"></param>

        private static void OnTimedEvent(object source, ElapsedEventArgs e)

        {

            foreach (Action action in eventActions.GetInvocationList())

            {

                try

                {

                    if (diyAsync.Any(p => p.Key == action.Method.Name) && !diyAsync[action.Method.Name].IsCompleted)

                        continue;

                    diyAsync[action.Method.Name] = action.BeginInvoke(null, null);

                }

                catch (Exception ex)

                {

                    //任务执行出错

                }

            }

        }

        protected void Session_Start(object sender, EventArgs e)

        {

            string name = System.Reflection.MethodBase.GetCurrentMethod().Name;

            WH_WriteLog.WriteLog(name);

        }

        protected void Application_BeginRequest(object sender, EventArgs e)

        {

           string name=System.Reflection.MethodBase.GetCurrentMethod().Name;

           WH_WriteLog.WriteLog(name);

        }

        protected void Application_AuthenticateRequest(object sender, EventArgs e)

        {

            string name=System.Reflection.MethodBase.GetCurrentMethod().Name;

            WH_WriteLog.WriteLog(name);

        }

        protected void Application_Error(object sender, EventArgs e)

        {

            string name = System.Reflection.MethodBase.GetCurrentMethod().Name;

            WH_WriteLog.WriteLog(name);

            WH_WriteLog.WriteLog(e.ToString());

        }

        protected void Session_End(object sender, EventArgs e)

        {

            string name = System.Reflection.MethodBase.GetCurrentMethod().Name;

            WH_WriteLog.WriteLog(name);

        }

        protected void Application_End(object sender, EventArgs e)

        {

            string name = System.Reflection.MethodBase.GetCurrentMethod().Name;

            WH_WriteLog.WriteLog(name);

        }

    }

    public class MyClass

    {

        public static void Writer()

        {

            string name = System.Reflection.MethodBase.GetCurrentMethod().Name;

            WH_WriteLog.WriteLog(name);

        }

    }