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DbSpatialServices.GetStartPoint Method

  • Reference

Definition

Namespace:
System.Data.Spatial
Assembly:
System.Data.Entity.dll

Returns a DbGeography value that represents the start point of the given DbGeography value.

Overloads

GetStartPoint(DbGeography)

Returns a DbGeography value that represents the start point of the given DbGeography value, which may be null if the value does not represent a curve.
GetStartPoint(DbGeometry)

Returns a DbGeometry value that represents the start point of the given DbGeometry value, which may be null if the value does not represent a curve.

GetStartPoint(DbGeography)

Returns a DbGeography value that represents the start point of the given DbGeography value, which may be null if the value does not represent a curve.

public:
 abstract System::Data::Spatial::DbGeography ^ GetStartPoint(System::Data::Spatial::DbGeography ^ geographyValue);
public abstract System.Data.Spatial.DbGeography GetStartPoint (System.Data.Spatial.DbGeography geographyValue);
abstract member GetStartPoint : System.Data.Spatial.DbGeography -> System.Data.Spatial.DbGeography
Public MustOverride Function GetStartPoint (geographyValue As DbGeography) As DbGeography

Parameters

geographyValue
DbGeography

The geography value, which need not represent a curve.

Returns

DbGeography

The start point of the given DbGeography value.

Exceptions

ArgumentNullException

geographyValue

ArgumentException

geographyValue

Applies to

GetStartPoint(DbGeometry)

Returns a DbGeometry value that represents the start point of the given DbGeometry value, which may be null if the value does not represent a curve.

public:
 abstract System::Data::Spatial::DbGeometry ^ GetStartPoint(System::Data::Spatial::DbGeometry ^ geometryValue);
public abstract System.Data.Spatial.DbGeometry GetStartPoint (System.Data.Spatial.DbGeometry geometryValue);
abstract member GetStartPoint : System.Data.Spatial.DbGeometry -> System.Data.Spatial.DbGeometry
Public MustOverride Function GetStartPoint (geometryValue As DbGeometry) As DbGeometry

Parameters

geometryValue
DbGeometry

The geometry value, which need not represent a curve.

Returns

DbGeometry

The start point of the given DbGeometry value.

Exceptions

ArgumentNullException

geometryValue

ArgumentException

geometryValue

Applies to