System.Configuration.BaseConfigurationRecord.GetSectionXmlReader C# (CSharp) Метод

        protected ConfigXmlReader GetSectionXmlReader(string[] keys, SectionInput input) {
            ConfigXmlReader reader = null;
            string filename = input.SectionXmlInfo.Filename;
            int lineNumber = input.SectionXmlInfo.LineNumber;

            try {
                string name = keys[keys.Length-1];
                string rawXml = input.SectionXmlInfo.RawXml;
                if (rawXml != null) {
                    // Use the stored raw xml to provide the content of the section.
                    reader = new ConfigXmlReader(rawXml, input.SectionXmlInfo.Filename, input.SectionXmlInfo.LineNumber);
                }
                else if (!String.IsNullOrEmpty(input.SectionXmlInfo.ConfigSource)) {
                    // Load the  config source to provide the content of the section.
                    filename = input.SectionXmlInfo.ConfigSourceStreamName;
                    lineNumber = 0;
                    reader = LoadConfigSource(name, input.SectionXmlInfo);
                }
                else {
                    // Find the content of the section in the config file.
                    lineNumber = 0;
                    reader = FindSection(keys, input.SectionXmlInfo, out lineNumber);
                }

                if (reader != null) {
                    if (!input.IsProtectionProviderDetermined) {
                        input.ProtectionProvider = GetProtectionProviderFromName(input.SectionXmlInfo.ProtectionProviderName, false);
                    }

                    if (input.ProtectionProvider != null) {
                        reader = DecryptConfigSection(reader, input.ProtectionProvider);
                    }
                }
            }

            //
            // Guarantee that exceptions contain the name of the stream and an approximate line number.
            //
            catch (Exception e) {
                throw ExceptionUtil.WrapAsConfigException(SR.GetString(SR.Config_error_loading_XML_file), e, filename, lineNumber);
            } 
            catch {
                throw ExceptionUtil.WrapAsConfigException(SR.GetString(SR.Config_error_loading_XML_file), null, filename, lineNumber);
            }

            return reader;
        }