int main(int argc, char **argv)
{
QApplication app(argc, argv);
QVBox *topWidget = new QVBox();
QPushButton *b1 = new QPushButton("Ok", topWidget);
QPushButton *b2 = new QPushButton("Defaults", topWidget);
QPushButton *b3 = new QPushButton("Cancel", topWidget);
app.setMainWidget(topWidget);
topWidget->show();
return app.exec();
}
