protected void OnDomainItemChanged(DomainEventArgs e)
 {
     if (DomainItemChanged != null)
     {
         DomainItemChanged(this, e);
     }
 }
        protected void OnDomainItemChanged(CacheActivity cacheActivity)
        {
            DomainEventArgs args = new DomainEventArgs(cacheActivity);

            OnDomainItemChanged(args);
        }