- VerticalDock(const QString &title, QWidget *parent = 0, Qt::WindowFlags flags = 0);
- VerticalDock(QWidget *parent = 0, Qt::WindowFlags flags = 0);
+ VerticalDock(const QString& title, QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
+ VerticalDock(QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);