esriNetworkForwardStarBacktrack

Options to specify the policy on whether to return the from-edge in the forward star's adjacency object.

Value	Description
esriNFSBAllowBacktrack	Return the from-edge in the forward star's adjacency object.
esriNFSBAtDeadEndsOnly	Return the from-edge in the forward star's adjacency object only if it is the only edge that is adjacent.
esriNFSBAtDeadEndsAndIntersections	Return the from-edge in the forward star's adjacency object only if it is the only edge that is adjacent to the query junction or the query junction has 3 or more adjacencies.
esriNFSBNoBacktrack	Never return the from-edge in the forward star's adjacency object.