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

        private FactoryRecord FindAndEnsureFactoryRecord(string configKey, out bool isRootDeclaredHere) {
            isRootDeclaredHere = false;

            BaseConfigurationRecord configRecord;
            FactoryRecord factoryRecord = FindFactoryRecord(configKey, false, out configRecord);
            if (factoryRecord != null && !factoryRecord.IsGroup) {
                //
                // Find the root declaration
                //
                FactoryRecord rootFactoryRecord = factoryRecord;
                BaseConfigurationRecord rootConfigRecord = configRecord;

                BaseConfigurationRecord currentConfigRecord = configRecord._parent;
                while (!currentConfigRecord.IsRootConfig) {
                    BaseConfigurationRecord tempConfigRecord;
                    FactoryRecord tempFactoryRecord = currentConfigRecord.FindFactoryRecord(configKey, false, out tempConfigRecord);
                    if (tempFactoryRecord == null)
                        break;

                    rootFactoryRecord = tempFactoryRecord;
                    rootConfigRecord = tempConfigRecord;

                    // continue the search from the parent of the configRecord we found
                    currentConfigRecord = tempConfigRecord.Parent;
                }

                //
                // A child factory record must be equivalent to its parent,
                // so if the child has no errors, the parent must also have no errors.
                //
                Debug.Assert(!rootFactoryRecord.HasErrors, "!rootFactoryRecord.HasErrors");
                if (rootFactoryRecord.Factory == null) {
                    try {
                        //
                        // Create the factory from the type string, and cache it
                        //
                        object factory = rootConfigRecord.CreateSectionFactory(rootFactoryRecord);
                        bool isFactoryTrustedWithoutAptca = TypeUtil.IsTypeFromTrustedAssemblyWithoutAptca(factory.GetType());
                        rootFactoryRecord.Factory = factory;
                        rootFactoryRecord.IsFactoryTrustedWithoutAptca = isFactoryTrustedWithoutAptca;
                    }
                    catch (Exception e) {
                        throw ExceptionUtil.WrapAsConfigException(SR.GetString(SR.Config_exception_creating_section_handler, factoryRecord.ConfigKey), e, factoryRecord);
                    }
                    catch {
                        throw ExceptionUtil.WrapAsConfigException(SR.GetString(SR.Config_exception_creating_section_handler, factoryRecord.ConfigKey), null, factoryRecord);
                    }
                }

                if (factoryRecord.Factory == null) {
                    factoryRecord.Factory = rootFactoryRecord.Factory;
                    factoryRecord.IsFactoryTrustedWithoutAptca = rootFactoryRecord.IsFactoryTrustedWithoutAptca;
                }

                isRootDeclaredHere = Object.ReferenceEquals(this, rootConfigRecord);
            }

            return factoryRecord;
        }