ArcGIS Developer Help

INetworkAnalysisExt Interface

Provides access to members that add or remove networks and feature layers from the Network Analysis extension.

Product Availability

Available with ArcGIS Desktop.

When To Use

Use the INetworkAnalysisExt interface to add and remove networks and feature layers from the extension. You can also set the snapping tolerance used for placing flags and barriers on the network with this interface.

Members

	Name	Description
	AddLayer	Adds a layer to the Network Analysis extension.
	AddNetwork	Loads a geometric network into the Network Analysis extension.
	Application	Parent application of the Network Analysis extension.
	CurrentNetwork	Current network being used by the Network Analysis extension.
	DeleteNetwork	Unloads a geometric network from the Network Analysis extension.
	DropLayer	Removes a layer from the Network Analysis extension.
	FeatureLayer	The feature layer in the Network Analysis extension in the specified index.
	FeatureLayerCount	The number of feature layers currently loaded into the Network Analysis extension.
	Network	Geometric network in the Network Analysis extension by index.
	NetworkCount	Number of geometric networks currently loaded into the Network Analysis extension.
	SnapTolerance	Snap tolerance, in pixels, for placing flags and barriers on the map.

Classes that implement INetworkAnalysisExt

Classes	Description
UtilityNetworkAnalysisExt	A container for defining the Utility Network Analysis extension and describing its current state.

Remarks

.NET Samples

Custom upstream trace task Set flow by digitized direction