main.cpp Example File

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  #include <QtWidgets>

  int main(int argc, char *argv[])
  {
      QApplication app(argc, argv);
      QWidget window;
      window.resize(320, 240);
      window.setWindowTitle
            (QApplication::translate("childwidget", "Child widget"));
      window.show();

      QPushButton *button = new QPushButton(
          QApplication::translate("childwidget", "Press me"), &window);
      button->move(100, 100);
      button->show();
      return app.exec();
  }