DbSpatialServices.GetExteriorRing(DbGeometry) Method

Reference

Definition

Namespace:: System.Data.Spatial

Assembly:: System.Data.Entity.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Returns a DbGeometry value that represents the exterior ring of the given DbGeometry value, which may be null if the value does not represent a polygon.

public:
 abstract System::Data::Spatial::DbGeometry ^ GetExteriorRing(System::Data::Spatial::DbGeometry ^ geometryValue);

public abstract System.Data.Spatial.DbGeometry GetExteriorRing (System.Data.Spatial.DbGeometry geometryValue);

abstract member GetExteriorRing : System.Data.Spatial.DbGeometry -> System.Data.Spatial.DbGeometry

Public MustOverride Function GetExteriorRing (geometryValue As DbGeometry) As DbGeometry

Parameters

geometryValue: DbGeometry

The geometry value, which need not represent a polygon.

Returns

DbGeometry

A DbGeometry value representing the exterior ring on geometryValue, if it represents a polygon; otherwise null.

Exceptions

ArgumentNullException

geometryValue

ArgumentException