Adding an "IMAQ Image.ctl" to the "DisplayState.ctl" of an XControl prevents LabVIEW from creating a probe of"Display State.ctl"

I am working on an extended IMAQ Display control using LabVIEWs XControl capabilities.
 
I need a copy of the original image passed to add some overlays which must not affect the original image. To achieve this I am creating a backup image in the "Init.vi" and deleting it in the "Uninit.vi". I am storing the reference of this image in the "Display State.ctl" which is part of every XControl.
 
As soon as I am adding an "IMAQ Image.ctl" to the Display State cluster, it is no longer possible to generate a probe of the Display State cluster for debugging purposses. I am always getting the message: "Failed to load or create probe."
Deleting the "IMAQ Image.ctl" from the cluster makes the probe working again.
 
Is it a bug or am I doing something wrong?
 
I am working with LabVIEW 8.5 and Vision 8.5.
 
Regards
 
Ingo Bartsch

Hello Mr. Bartsch,
is it possible for you to post a small example to reproduce the behaviour? It would be helpful to get a description in which way you use the typedef files.
I found a example/knowledge base where some informations were included to XControl and LV but not with Vision.
<a href="http://digital.ni.com/public.nsf/allkb/1DC1ADD2A136DA298625712C00635758?OpenDocument" target="_blank">http://digital.ni.com/public.nsf/allkb/1DC1ADD2A136DA298625712C00635758?OpenDocument</a>
Best wishes
Jan Kniewasser

Thanks for your reply, Mr. Jingles,
but the example has nothing to do with my problem. My project is a little bit too big to post it. Maybe I find some time to write a small example project next week.
Regards
Ingo Bartsch

Hello Elmar,
 
please see my profile. I have enabled my email address temporarily .
 
Thanks
 
Ingo

Adding an "IMAQ Image.ctl" to the "DisplayState.ctl" of an XControl prevents LabVIEW from creating a probe of"Display State.ctl" - labview