Signal and Handler Event System

qml signal slot   Dan qml signal slot

Learn how to call QML function from C++ using connect function

QML with String, int etc But the original data exchange with C++ remains a QVariant We now need a slot in QML to connect this signal to  QTQML TUTORIAL - 011

demo rupiah slot Object underneath testObj could be now used in QML by the name myTest Usage is limited to Q_PROPERTY, signals and public slots (or Q_INVOKABLE Member Function Documentation bool Signal::isConnected() const Returns true if any slots or QML signal handlers are connected to this signal