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public interface IDomainEvent
{}

 public static class DomainEvents
   { 
       [ThreadStatic] //so that each thread has its own callbacks
       private static List<Delegate> actions;
    
       public static IContainer Container { get; set; } //as before
    
       //Registers a callback for the given domain event
       public static void Register<T>(Action<T> callback) where T : IDomainEvent
       {
          if (actions == null)
             actions = new List<Delegate>();
    
          actions.Add(callback);
      }
    
      //Clears callbacks passed to Register on the current thread
      public static void ClearCallbacks ()
      {
          actions = null;
      }
    
      //Raises the given domain event
      public static void Raise<T>(T args) where T : IDomainEvent
      {
         if (Container != null)
            foreach(var handler in Container.ResolveAll<Handles<T>>())
               handler.Handle(args);
    
         if (actions != null)
             foreach (var action in actions)
                 if (action is Action<T>)
                     ((Action<T>)action)(args);
      }
   }