>> That's just how attached property events are fired. > ... > But with parent == null they will never be fired ... in your opinion, > shouldn't be parent (automatically) have some value, or should I set > the right parent value manually, so listeners here will be called when > iy's the case ?
No, this is the correct behavior. The event is fired by the parent, so if the component does not have a parent (i.e. is not currently attached to the component hierarchy), the event won't be fired.
