- VerticalDock(const QString& title, QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
- VerticalDock(QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
+ VerticalDock(const QString& title, QWidget* parent = nullptr, Qt::WindowFlags flags = {});
+ VerticalDock(QWidget* parent = nullptr, Qt::WindowFlags flags = {});