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esriFlowMethod Constants (ArcObjects .NET 10.5 SDK)
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ArcObjects Library Reference (NetworkAnalysis)  

esriFlowMethod Constants

Directions the trace flow solver is allowed to pass along the edges.

Constant Value Description
esriFMUpstream 0 The trace flow solver is allowed to pass upstream along edges.
esriFMDownstream 1 The trace flow solver is allowed to pass downstream along edges.
esriFMConnected 2 The trace flow solver is allowed to pass in both directions along edges.

Product Availability

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

.NET Samples

Custom upstream trace task (Code Files: CustomUpstreamTraceTaskVBNet)