Boiler.BoilerDrumState.FindChild C# (CSharp) Method

        protected override BaseInstanceState FindChild(
            ISystemContext context,
            QualifiedName browseName,
            bool createOrReplace,
            BaseInstanceState replacement)
        {
            if (QualifiedName.IsNull(browseName))
            {
                return null;
            }

            BaseInstanceState instance = null;

            switch (browseName.Name)
            {
                case Boiler.BrowseNames.LevelIndicator:
                {
                    if (createOrReplace)
                    {
                        if (LevelIndicator == null)
                        {
                            if (replacement == null)
                            {
                                LevelIndicator = new LevelIndicatorState(this);
                            }
                            else
                            {
                                LevelIndicator = (LevelIndicatorState)replacement;
                            }
                        }
                    }

                    instance = LevelIndicator;
                    break;
                }
            }

            if (instance != null)
            {
                return instance;
            }

            return base.FindChild(context, browseName, createOrReplace, replacement);
        }
        #endregion