#include #include #include class MyLabel : public QLabel { public: MyLabel() : QLabel("GC Leakage Demo") { } void paintEvent(QPaintEvent * ev) { QStylePainter painter(this); QLabel::paintEvent(ev); } }; int main(int argc, char** argv) { QApplication app(argc, argv); MyLabel* msgLabel = new MyLabel(); msgLabel->show(); app.exec(); }