Function CoordinateExtract(const link,index: longint; var x,y: double): longint;
Returns coordinates for a specific vertex of a link, index = 1..CoordinateExtractCount.
For the first and last vertex use function Link2Fromnode / Link2Tonode combined with NodeCoordX / NodeCoordY.
Possible error codes: -10 -30 -46
Versions: Standard Pro
ActiveX / VCL / CLX component: RWnetBase