public class ServiceBehaviorEvents : IServiceBehavior
    {
        public event Action<ServiceDescription, ServiceHostBase> ApplyDispatchBehavior;
        public event Action<ServiceDescription, ServiceHostBase, Collection<ServiceEndpoint>, BindingParameterCollection> AddBindingParameters;
        public event Action<ServiceDescription, ServiceHostBase> Validate;

        public static ServiceBehaviorEvents Install(ServiceHostBase host)
        {
            var evt = new ServiceBehaviorEvents();
            host.Description.Behaviors.Add(evt);
            return evt;
        }

        void IServiceBehavior.AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase, Collection<ServiceEndpoint> endpoints, BindingParameterCollection bindingParameters)
        {
            var evt = this.AddBindingParameters;
            if (evt != null)
            {
                evt(serviceDescription, serviceHostBase, endpoints, bindingParameters);
            }
        }

        void IServiceBehavior.ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
        {
            var evt = this.ApplyDispatchBehavior;
            if (evt != null)
            {
                evt(serviceDescription, serviceHostBase);
            }
        }

        void IServiceBehavior.Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
        {
            var evt = this.Validate;
            if (evt != null)
            {
                evt(serviceDescription, serviceHostBase);
            }
        }
    }