Provides access to events triggered by the network analysis context.
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Network Analyst Extension.
Members
| Description | ||
|---|---|---|
 |
OnNAContextUpdated | Called when the network analysis context is updated. |
|
OnNAResultUpdated | Called when the network analysis result is updated. |
CoClasses that implement INAContextEvents
| CoClasses and Classes | Description |
|---|---|
| NAContext | The analysis and problem definition container. |
| NAContextEvents | NAContext events. This class only provides access to the INAContextEvents outbound interface. |
| NAContextEventsListener (esriSystemUtility) | Helper coclass to provide INAContextEvents support to the C++ API. |
| NAWindow (esriNetworkAnalystUI) | The network analysis window. |
Remarks
The INAContextEvents interface is an outgoing interface that notifies clients when the NAContext or the NATraversalResult is modified.
OnNAContextUpdated is raised in response to ContextChanged being called on INAContextEdit. OnNAResultUpdated is raised in response to ResultChanged being called on INAContextEdit.