System.Xml.XmlValidatingReaderImpl.ValidateDtd C# (CSharp) Method

        private void ValidateDtd()
        {
            IDtdInfo dtdInfo = _coreReaderImpl.DtdInfo;
            if (dtdInfo != null)
            {
                switch (_validationType)
                {
#pragma warning disable 618
                    case ValidationType.Auto:
                        SetupValidation(ValidationType.DTD);
                        goto case ValidationType.DTD;
#pragma warning restore 618
                    case ValidationType.DTD:
                    case ValidationType.None:
                        _validator.DtdInfo = dtdInfo;
                        break;
                }
            }
        }