Hey Gianni,
It seems that it is still supported. Where are you seeing that it is not supported? The commands are still implemented in Omnis 10. I also still see this technote on the website.
https://developer.omnis.net/technotes/tnno0006.jsp
We are currently migrating to omnis 10 and use this command in many places so hopefully it still works correctly.
Ghiara Mimmo on 
Paul Mulroney on Paul Mulroney on Paul Mulroney on 
Rainer Greim on Paul Mulroney
Brian Germann
Jacques Couédor
JOHN DIDONE
Graeme Harris
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