System.Configuration.ConfigurationElement.ResetLockLists C# (CSharp) Метод

        internal void ResetLockLists(ConfigurationElement parentElement) {
            _lockedAttributesList = null;
            _lockedAllExceptAttributesList = null;
            _lockedElementsList = null;
            _lockedAllExceptElementsList = null;

            if (parentElement != null) {
                _fItemLocked = ((parentElement._fItemLocked & ConfigurationValueFlags.Locked) != 0) ?
                    (ConfigurationValueFlags.Inherited | parentElement._fItemLocked) :
                    ConfigurationValueFlags.Default;

                if (parentElement._lockedAttributesList != null) {
                    _lockedAttributesList = new ConfigurationLockCollection(this, ConfigurationLockCollectionType.LockedAttributes);
                    foreach (string key in parentElement._lockedAttributesList)
                        _lockedAttributesList.Add(key, ConfigurationValueFlags.Inherited);  // Mark entry as from the parent - read only
                }
                if (parentElement._lockedAllExceptAttributesList != null) {
                    _lockedAllExceptAttributesList = new ConfigurationLockCollection(this, ConfigurationLockCollectionType.LockedExceptionList, String.Empty, parentElement._lockedAllExceptAttributesList);
                }
                if (parentElement._lockedElementsList != null) {
                    _lockedElementsList = new ConfigurationLockCollection(this, ConfigurationLockCollectionType.LockedElements);

                    ConfigurationElementCollection collection = null;
                    if (Properties.DefaultCollectionProperty != null) // this is not a collection but it may contain a default collection
                    {
                        collection = this[Properties.DefaultCollectionProperty] as ConfigurationElementCollection;
                        if (collection != null) {
                            collection.internalElementTagName = parentElement.ElementTagName; // Default collections don't know there tag name
                            if (collection._lockedElementsList == null) {
                                collection._lockedElementsList = _lockedElementsList;
                            }
                        }
                    }

                    foreach (string key in parentElement._lockedElementsList) {
                        _lockedElementsList.Add(key, ConfigurationValueFlags.Inherited);  // Mark entry as from the parent - read only
                    }
                }

                if (parentElement._lockedAllExceptElementsList != null) {
                    _lockedAllExceptElementsList = new ConfigurationLockCollection(this, ConfigurationLockCollectionType.LockedElementsExceptionList, parentElement._elementTagName, parentElement._lockedAllExceptElementsList);

                    ConfigurationElementCollection collection = null;
                    if (Properties.DefaultCollectionProperty != null) // this is not a collection but it may contain a default collection
                    {
                        collection = this[Properties.DefaultCollectionProperty] as ConfigurationElementCollection;
                        if (collection != null && collection._lockedAllExceptElementsList == null) {
                            collection._lockedAllExceptElementsList = _lockedAllExceptElementsList;
                        }
                    }
                }
            }
        }