ArcObjects Library Reference (GeoDatabase)  

esriRelDirection Constants

Direction used when traversing in a multi-set Relationship

Constant Value Description
esriRelDirectionForward 0 Relationship is traversed forward
esriRelDirectionBackward 1 Relationship is traversed backward
esriRelDirectionBoth 2 Relationship is traversed in both directions

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.