Opc.Ua.BaseTypeState.ReadNonValueAttribute C# (CSharp) Method

        protected override ServiceResult ReadNonValueAttribute(
            ISystemContext context,
            uint attributeId,
            ref object value)
        {
            ServiceResult result = null;

            switch (attributeId)
            {
                case Attributes.IsAbstract:
                {
                    bool isAbstract = m_isAbstract;

                    if (OnReadIsAbstract != null)
                    {
                        result = OnReadIsAbstract(context, this, ref isAbstract);
                    }

                    if (ServiceResult.IsGood(result))
                    {
                        value = isAbstract;
                    }

                    return result;
                }
            }

            return base.ReadNonValueAttribute(context, attributeId, ref value);
        }
        #endregion