Michael Mueller wrote:

> It seems as if they were swept away by the GC...

Yes, I'm seeing this too.

> Is this a wanted behaviour?

No.

> Imho they don't have to be instance variables since the FXShutterItems 
> (beeing instance variables) hold a reference to them and thus prevent them 
> from beeing reclaimed by the gc. 
> 
> Might be a bug ? 

Yes, definitely a bug. I'll try to get this fixed ASAP!

Thanks,

Lyle