QCoreApplication app (arg c, argv); 
QQmlEngine engine; 
MessageBoard msgBoard; 

Engine. RootContext () -> setContextProperty (" msgBoard ", & msgBoard); 

//QQmlComponent component (& engine, QUrl: : fromLocalFile (" Item. QML ")); 

Const QUrl url (QStringLiteral (" QRC:/item. QML ")); 
QQmlComponent component (& engine, url); 
Component. The create (); 

Return the app. The exec ();