by "on the fly" you mean...as you are working around the different parts of the project, you simply select at that moment in time what you want...reserve it...work on it...send/receive and continue about your business? Is that what you mean?
thanks for the knowledge.
...Bobby Hollywood live from...
i>u
Edgewater, FL!
SOFTWARE VERSION:
Archicad 22, Archicad 23
Windows7 -OS, MAC Maverick OS