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

        internal ConfigurationLockCollection UnMergeLockList(
            ConfigurationLockCollection sourceLockList,
            ConfigurationLockCollection parentLockList,
            ConfigurationSaveMode saveMode) {
            if (sourceLockList.ExceptionList == false) {
                switch (saveMode) {
                    case ConfigurationSaveMode.Modified: {
                            ConfigurationLockCollection tempLockList = new ConfigurationLockCollection(this, sourceLockList.LockType);
                            foreach (string lockedAttributeName in sourceLockList)
                                if (!parentLockList.Contains(lockedAttributeName) ||
                                    sourceLockList.IsValueModified(lockedAttributeName)) {
                                    tempLockList.Add(lockedAttributeName, ConfigurationValueFlags.Default);
                                }
                            return tempLockList;
                        }
                    case ConfigurationSaveMode.Minimal: {
                            ConfigurationLockCollection tempLockList = new ConfigurationLockCollection(this, sourceLockList.LockType);
                            foreach (string lockedAttributeName in sourceLockList)
                                if (!parentLockList.Contains(lockedAttributeName)) {
                                    tempLockList.Add(lockedAttributeName, ConfigurationValueFlags.Default);
                                }
                            return tempLockList;
                        }
                }
            }
            else {
                // exception list write out the entire collection unless the entire collection
                // came from the parent.
                if (saveMode == ConfigurationSaveMode.Modified || saveMode == ConfigurationSaveMode.Minimal) {
                    bool sameAsParent = false;
                    if (sourceLockList.Count == parentLockList.Count) {
                        sameAsParent = true;
                        foreach (string lockedAttributeName in sourceLockList) {
                            if (!parentLockList.Contains(lockedAttributeName) ||
                                (sourceLockList.IsValueModified(lockedAttributeName) &&
                                 saveMode == ConfigurationSaveMode.Modified)) {
                                sameAsParent = false;
                            }
                        }
                    }
                    if (sameAsParent == true) {
                        return null;
                    }
                }
            }
            return sourceLockList;
        }