VisualGraph.setWindowMessage(new WindowMessage());
VisualGraph.setConfiguration(SimpleConfiguration.getInstance());
VisualGraph.setProgressManager(new SimpleProgressManager());
try {
VisualGraph.run();
SQLite4JavaModel model = new SQLite4JavaModel();
GraphLayoutManager layoutManager = new GraphLayoutManager();
SwingUserInterface view = new SwingUserInterface(model, "Welcome to Visual Graph", layoutManager);
PluginParameter param = new PluginParameter(model, view);
// adding system functions--------
new NotepadPlugin().install(param);