import Qt.test 1.0 import Qt 4.7 MyQmlObject { property real base: 50 property alias test1: myObject.test1 property alias test2: myObject.test2 objectProperty: QtObject { id: myObject property real test1: base property real test2: Math.max(0, base) } // Signal with no args onBasicSignal: base = 200 // Signal with args onArgumentSignal: base = 400 }