com.esri.arcgis.display
Interface IPointCollectionTracker

All Superinterfaces:

Serializable

All Known Implementing Classes:

LineTracker, PolygonTracker

public interface IPointCollectionTracker
extends Serializable

Provides access to members that control a tracker with a point collection.

Product Availability

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

Method Summary

int	findNodeIndex(IPoint cursorPosition) Finds the node index for the vertex under the given point.

Method Detail

findNodeIndex

int findNodeIndex(IPoint cursorPosition)
                  throws IOException,
                         AutomationException

Finds the node index for the vertex under the given point. Returns -1 if the point is not within the tolerance distance of a vertex in the point collection.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Parameters:

cursorPosition - A reference to a com.esri.arcgis.geometry.IPoint (in)

Returns:

The nodeIndex

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.