public override void execute()
        {
            TotallingMC tmc = (TotallingMC)MCFactory.create_simple_MC(reciever, "TotallingMC", field_name);

            reciever.Attach(tmc);
        }
        public override void execute()
        {
            IndexMC imc = (IndexMC)MCFactory.create_simple_MC(reciever, "IndexMC", field_name);

            reciever.Attach(imc);
        }