#include#include int main(int argc, char *argv[]) { QApplication app(argc, argv); QWidget window; QCheckBox *checkBox = new QCheckBox(&window); checkBox->setText("Enable Option"); checkBox->setChecked(true); window.show(); return app.exec(); }
#includeThis code creates a subclass of QWidget, called MyWidget, and adds a QCheckBox widget to it with the label "Enable Option" and an initial state of checked. Package Library: Qt Library.#include class MyWidget : public QWidget { public: MyWidget(QWidget *parent = nullptr) { QCheckBox *checkBox = new QCheckBox("Enable Option", this); checkBox->setChecked(true); } }; int main(int argc, char *argv[]) { QApplication app(argc, argv); MyWidget window; window.show(); return app.exec(); }