System.Runtime.Serialization.XPathQueryGenerator.GetDataMembers C# (CSharp) Method

        static IEnumerable<DataMember> GetDataMembers(ClassDataContract contract)
        {
            if (contract.BaseContract != null)
            {
                foreach (DataMember baseClassMember in GetDataMembers(contract.BaseContract))
                {
                    yield return baseClassMember;
                }
            }
            if (contract.Members != null)
            {
                foreach (DataMember member in contract.Members)
                {
                    yield return member;
                }
            }
        }