private void Initialize(bool initData) { if (initData) { var items = AddInTree.GetTreeNode("/Altaxo/Dialogs/SettingsDialog").BuildChildItems <IOptionPanelDescriptor>(null); _topics = new NGTreeNode(); foreach (var item in items) { AddTopic(item, _topics.Nodes); } } if (null != _view) { _view.InitializeTopics(_topics.Nodes); EhTopicSelectionChanged(_topics); } }