DbSpatialServices.GetExteriorRing(DbGeometry) Method

Reference

Definition

Namespace:: System.Data.Entity.Spatial

Assembly:: EntityFramework.dll

Important

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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.Entity.Spatial.DbGeometry GetExteriorRing (System.Data.Entity.Spatial.DbGeometry geometryValue);

abstract member GetExteriorRing : System.Data.Entity.Spatial.DbGeometry -> System.Data.Entity.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 is null.

ArgumentException

geometryValue is not compatible with this spatial services implementation.

Applies to