TreeView nodes don't display

While working my way through the IDCS3 SDK I'm about to implement a ListBox by using TreeView. I had a working plugin displaying a panel with some static text and two RollOverIcons. Then I compiled wlistboxcomposite from the SDK samples and it worked ok too.
I then moved over all parts relevant for the listbox from the sample, adjusted widget names, boss name classes a.s.o, but I don't get it working. The whole panel is empty (grey background) with a greyed out scrollbar on the right border: the list entries are missing.
I've looked through everything at least twice but don't see the reason for this. RefMeTreeViewAdapter populates the StringList ok and also DoAddItem() works as I can see from a InformationAlert I hacked in for debug reasons. Unfortunately I've no debug build for further investigations.
But maybe someone of you has an idea what can cause this symptom.
Regards,
Juergen

To resolve that issue. Another few hours later I discovered I missed adding LocaleIndex for the NodeWidget resource. After that it works.
> You should never ship a plugin without testing it in the debug build.
Thanks for the link. I somehow doubt Adobe will hand out a debug build to a hobby coder who's still in evaluation phase. But I'll think over it.
Juergen

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