Does anyone know what ArcObjects interface and method the Trace Downstream trace task on Arcmap's Utility Network Analyst toolbar calls?


My guess is ITraceFlowSolverGEN and the methods FindFlowElements or FindFlowEndElements, but I only guess that because of the ArcObjectsRoutines code found in the 9.3.1 NetworkTraceTask on the arcscripts site.

Dim pNewTrace As ESRI.ArcGIS.NetworkAnalysis.ITraceFlowSolverGEN
' ... some code, that constructs and sets up the solver '
      If bTraceEnds Then
        pNewTrace.FindFlowEndElements(ESRI.ArcGIS.NetworkAnalysis.esriFlowMethod.esriFMDownstream, ESRI.ArcGIS.NetworkAnalysis.esriFlowElements.esriFEJunctionsAndEdges, pJuncEIDs, pEdgeEIDs)
        pNewTrace.FindFlowElements(ESRI.ArcGIS.NetworkAnalysis.esriFlowMethod.esriFMDownstream, ESRI.ArcGIS.NetworkAnalysis.esriFlowElements.esriFEJunctionsAndEdges, pJuncEIDs, pEdgeEIDs)
      End If
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Take a look at ESRI.ArcGIS.Geodatabase.IUtilityNetwork (or IUtilityNetworkGEN as appropriate).

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