doc/src/snippets/code/src_gui_widgets_qdockwidget.cpp


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//! [0]
QDockWidget *dockWidget = qobject_cast<QDockWidget*>(parentWidget());
if (dockWidget->features() & QDockWidget::DockWidgetVerticalTitleBar) {
    // I need to be vertical
} else {
    // I need to be horizontal
}
//! [0]