public static int Main(string[] args) { Q_INIT_RESOURCE("simpletreemodel"); new QApplication(args); QFile file = new QFile(":/default.txt"); file.Open((int)QIODevice.OpenModeFlag.ReadOnly); TreeModel model = new TreeModel(file.ReadAll().ConstData()); file.Close(); QTreeView view = new QTreeView(); view.SetModel(model); view.WindowTitle = "Simple Tree Model"; view.Show(); return(QApplication.Exec()); }