3ds max 2012+ how to invert selection?

Axcel

Simple question, google is giving me no answer.
How to invert selection in editor of Unwrap UVW modifier?

Sorry in advance if this is trivial.

Dylan Brady

ctrl + I

Axcel

Seem obvious, doesn't work. Has been working in 3ds max 2010.
Solved, there was probably conflict with one a unwrapping plugin. Hopefully didnt waste me half of day that stupid thing.
Sry for a thread, wanted to finish sth before end of workday.