import QtQuick 2.0 Rectangle { width: 400 height: 400 Rectangle { id: rect objectName: "MyRectOneWay" width: 100; height: 100; color: "green" Behavior on x { id: behavior objectName: "MyBehaviorOneWay"; enabled: (behavior.targetValue === 0) NumberAnimation { id: ani objectName: "MyAnimationOneWay"; duration: 200; } } } }