>>If it has corresponding end section it should colapse unless you have them somehow mismatched.
>
>Yes, that part is working. My point was to know why in one project it is there and why in the other project it is not.

Have you been able to identify mismatched regions? Also did you re-start VS? I had cases in the past when intellisense stopped working without reason. I re-started VS and it was back again.