Link2RoadNameID

This method returns the roadnameID for a specific link and RoadFileID. The roadfile should have been opened in advance.

A roadnameID is an integer, that corresponds to a roadname. It is more compact than a roadname and it is faster to do comparisons using roadnameID's.

RoadnameID's can be translated to road names this way.

Syntax: Link2RoadNameID(RoadFileID,link: integer): integer