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IEngineNAWindowEvents.OnActiveCategoryChanged Event (ArcObjects .NET 10.4 SDK)
ArcObjects Library Reference (Controls)  

IEngineNAWindowEvents.OnActiveCategoryChanged Event

Called when the active category changes.

[Visual Basic .NET]
Public Event OnActiveCategoryChanged As OnActiveCategoryChangedEventHandler
[C#]
public event OnActiveCategoryChangedEventHandler OnActiveCategoryChanged
[C++]
HRESULT OnActiveCategoryChanged(
void
);

Product Availability

Available with ArcGIS Engine.

Description

The OnActiveCategoryChanged event is fired when a different category (e.g. Stops, Barriers, Routes, etc) is chosen within the IEngineNetworkAnalystEnvironment::NAWindow interactively by the end user. 

The event is not fired when the IEngineNAWindow::ActiveCategory property is set programatically or if IEngineNAWindow::DelayEvents has been set to true.

See Also

IEngineNAWindowEvents Interface