DbSpatialServices.PointAt Method

Definition

Namespace:

System.Data.Spatial

Assembly:

System.Data.Entity.dll

Returns a point element of the given value.

Overloads

PointAt(DbGeography, Int32)	Returns a point element of the given DbGeography value, if it represents a linestring or linear ring.
PointAt(DbGeometry, Int32)	Returns a point element of the given DbGeometry value, if it represents a linestring or linear ring.

PointAt(DbGeography, Int32)

Returns a point element of the given DbGeography value, if it represents a linestring or linear ring.

public:
 abstract System::Data::Spatial::DbGeography ^ PointAt(System::Data::Spatial::DbGeography ^ geographyValue, int index);

public abstract System.Data.Spatial.DbGeography PointAt (System.Data.Spatial.DbGeography geographyValue, int index);

abstract member PointAt : System.Data.Spatial.DbGeography * int -> System.Data.Spatial.DbGeography

Public MustOverride Function PointAt (geographyValue As DbGeography, index As Integer) As DbGeography

Parameters

geographyValue

DbGeography

The geography value, which need not represent a linestring or linear ring.

index

Int32

The position within the geography value from which the element should be taken.

Returns

DbGeography

The point in geographyValue at position index, if it represents a linestring or linear ring; otherwise null.

Exceptions

ArgumentNullException

geographyValue

ArgumentException

geographyValue

PointAt(DbGeometry, Int32)

Returns a point element of the given DbGeometry value, if it represents a linestring or linear ring.

public:
 abstract System::Data::Spatial::DbGeometry ^ PointAt(System::Data::Spatial::DbGeometry ^ geometryValue, int index);

public abstract System.Data.Spatial.DbGeometry PointAt (System.Data.Spatial.DbGeometry geometryValue, int index);

abstract member PointAt : System.Data.Spatial.DbGeometry * int -> System.Data.Spatial.DbGeometry

Public MustOverride Function PointAt (geometryValue As DbGeometry, index As Integer) As DbGeometry

Parameters

geometryValue

DbGeometry

The geometry value, which need not represent a linestring or linear ring.

index

Int32

The position within the geometry value from which the element should be taken.

Returns

DbGeometry

The point in geometryValue at position index, if it represents a linestring or linear ring; otherwise null.

Exceptions

ArgumentNullException

geometryValue

ArgumentException

geometryValue