System.Xml.XmlTextReaderImpl.GetResolver C# (CSharp) Method

        internal XmlResolver GetResolver()
        {
            if (IsResolverNull)
                return null;
            else
                return _xmlResolver;
        }

        // This is needed because we can't have the setter for XmlResolver public and with internal getter.
        private XmlResolver?GetResolver()
        {
            XmlResolver?tempResolver = _coreReaderImpl.GetResolver();

            if (tempResolver == null && !_coreReaderImpl.IsResolverSet)
            {
                // it is safe to return valid resolver as it'll be used in the schema validation
                return(s_tempResolver ??= new XmlUrlResolver());
            }

            return(tempResolver);
        }