ArcGIS Developer Help

IPolygon.FindExteriorRing Method

Returns the exterior ring containing the specified interior ring.

[Visual Basic .NET]
Public Function FindExteriorRing ( _
    ByVal interiorRing As IRing _
) As IRing

[C#]
public IRing FindExteriorRing (
    IRing interiorRing
);

[C++]
HRESULT FindExteriorRing(
  IRing* interiorRing
);

[C++]
Parameters
interiorRing 

  interiorRing is a parameter of type IRing*

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

Returns the Exterior Ring to which the input Interior Ring belongs. Every interior ring belongs to one and only one exterior ring.

IPolygon FindExteriorRing Example