>>I read 'Emergency Tech.' at your title. Then probably you'd want to use pathfinder object existed in 1.21 and dropped in 2.0 If so in the meanwhile download mopathfinder.dll from esri (it wold be pfind20 in downloads). If I can find the sample I'll send uses it to find alternative paths.
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>I couldn't locate the 1.21 version of the MoPathFinder.dll, however, ESRI now has a version 2.0 of the dll - http://www.esri.com/devsupport/devconn/mapobjects/downloads/index.html.

Sorry for my English. I actually meant that. DLL is for 2.0. In 1.21 there wasn't a separate DLL and it was built-in.
Cetin