System.Xml.Schema.XdrBuilder.LoadSchema C# (CSharp) Method

        private bool LoadSchema(string uri)
        {
            if (_xmlResolver == null)
            {
                return false;
            }
            uri = _NameTable.Add(uri);
            if (_SchemaInfo.TargetNamespaces.ContainsKey(uri))
            {
                return false;
            }
            SchemaInfo schemaInfo = null;
            Uri _baseUri = _xmlResolver.ResolveUri(null, _reader.BaseURI);
            XmlReader reader = null;
            try
            {
                Uri ruri = _xmlResolver.ResolveUri(_baseUri, uri.Substring(x_schema.Length));
                Stream stm = (Stream)_xmlResolver.GetEntity(ruri, null, null);
                reader = new XmlTextReader(ruri.ToString(), stm, _NameTable);
                schemaInfo = new SchemaInfo();
                Parser parser = new Parser(SchemaType.XDR, _NameTable, _SchemaNames, _validationEventHandler);
                parser.XmlResolver = _xmlResolver;
                parser.Parse(reader, uri);
                schemaInfo = parser.XdrSchema;
            }
            catch (XmlException e)
            {
                SendValidationEvent(SR.Sch_CannotLoadSchema, new string[] { uri, e.Message }, XmlSeverityType.Warning);
                schemaInfo = null;
            }
            finally
            {
                if (reader != null)
                {
                    reader.Close();
                }
            }
            if (schemaInfo != null && schemaInfo.ErrorCount == 0)
            {
                _SchemaInfo.Add(schemaInfo, _validationEventHandler);
                return true;
            }
            return false;
        }