public override void SetValueFromControl()
        {
            MultiFileParameterPanel tb = (MultiFileParameterPanel)control;

            string[] val = tb.Filenames;
            Value = val;
        }
        public override void UpdateControlFromValue()
        {
            if (control == null)
            {
                return;
            }
            MultiFileParameterPanel lfp = (MultiFileParameterPanel)control;

            lfp.Filenames = Value;
        }