import QtQuick 2.0
import QtQuick.Window 2.0
import QtQuick.Controls 2.0

Window {
    width: 200
    height: 100
    visible: true
    
    Button {
        anchors.fill: parent
        property int counter: 0
        id: btn
        onClicked: backend.aSlotToCallSignal()
        text: counter
        font.pointSize: 24
        Connections {
            target: backend
            // Oops! Signal name is not changed.
            onANamedSignal: btn.counter += 1
            onAnotherNameForSignal: btn.counter += 100
        }
    }
}