System.Configuration.AppSettingsSection.DeserializeElement C# (CSharp) Метод

        protected internal override void DeserializeElement(XmlReader reader, bool serializeCollectionKey) {
            string ElementName = reader.Name;

            base.DeserializeElement(reader, serializeCollectionKey);
            if ((File != null) && (File.Length > 0)) {
                string sourceFileFullPath;
                string configFileDirectory;
                string configFile;

                // Determine file location
                configFile = ElementInformation.Source;

                if (String.IsNullOrEmpty(configFile)) {
                    sourceFileFullPath = File;
                }
                else {
                    configFileDirectory = System.IO.Path.GetDirectoryName(configFile);
                    sourceFileFullPath = System.IO.Path.Combine(configFileDirectory, File);
                }

                if (System.IO.File.Exists(sourceFileFullPath)) {
                    int lineOffset = 0;
                    string rawXml = null;

                    using (Stream sourceFileStream = new FileStream(sourceFileFullPath, FileMode.Open, FileAccess.Read, FileShare.Read)) {
                        using (XmlUtil xmlUtil = new XmlUtil(sourceFileStream, sourceFileFullPath, true)) {
                            if (xmlUtil.Reader.Name != ElementName) {
                                throw new ConfigurationErrorsException(
                                        SR.GetString(SR.Config_name_value_file_section_file_invalid_root, ElementName),
                                        xmlUtil);
                            }

                            lineOffset = xmlUtil.Reader.LineNumber;
                            rawXml = xmlUtil.CopySection();

                            // Detect if there is any XML left over after the section
                            while (!xmlUtil.Reader.EOF) {
                                XmlNodeType t = xmlUtil.Reader.NodeType;
                                if (t != XmlNodeType.Comment) {
                                    throw new ConfigurationErrorsException(SR.GetString(SR.Config_source_file_format), xmlUtil);
                                }

                                xmlUtil.Reader.Read();
                            }
                        }
                    }

                    ConfigXmlReader internalReader = new ConfigXmlReader(rawXml, sourceFileFullPath, lineOffset);
                    internalReader.Read();
                    if (internalReader.MoveToNextAttribute()) {
                        throw new ConfigurationErrorsException(SR.GetString(SR.Config_base_unrecognized_attribute, internalReader.Name), (XmlReader)internalReader);
                    }

                    internalReader.MoveToElement();

                    base.DeserializeElement(internalReader, serializeCollectionKey);
                }
            }
        }
    }