public static event EventHandler<CoreEventArgs> MyEvent;

  static EventHandler<CoreEventArgs> ConvertHandler(EventHandler<CoreEventArgs> act)
        {
            EventHandler<CoreEventArgs> res = (o, a) => 
            {
                try
                {
                    act(o, a);
                }
                catch (Exception exc)
                {
                    Console.WriteLine(exc);
                }
            };
            return res;
        }

MyEvent += ConvertHandler(act);

MyEvent -= ConvertHandler(act);

 static void Program_MyEvent(object sender, CoreEventArgs e)
        {
            Console.WriteLine("Из Program_MyEvent");
        }
MyEvent -= new EventHandler<CoreEventArgs>(Program_MyEvent);