System.Runtime.Serialization.Json.XmlObjectSerializerReadContextComplexJson.XmlObjectSerializerReadContextComplexJson.ThrowMissingRequiredMembers C# (CSharp) Method

        public static void ThrowMissingRequiredMembers(object obj, XmlDictionaryString[] memberNames, byte[] expectedElements, byte[] requiredElements)
        {
            StringBuilder stringBuilder = new StringBuilder();
            int missingMembersCount = 0;
            for (int i = 0; i < memberNames.Length; i++)
            {
                if (IsBitSet(expectedElements, i) && IsBitSet(requiredElements, i))
                {
                    if (stringBuilder.Length != 0)
                        stringBuilder.Append(", ");
                    stringBuilder.Append(memberNames[i]);
                    missingMembersCount++;
                }
            }

            if (missingMembersCount == 1)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SerializationException(SR.Format(
                 SR.JsonOneRequiredMemberNotFound, DataContract.GetClrTypeFullName(obj.GetType()), stringBuilder.ToString())));
            }
            else
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SerializationException(SR.Format(
                    SR.JsonRequiredMembersNotFound, DataContract.GetClrTypeFullName(obj.GetType()), stringBuilder.ToString())));
            }
        }