DbSpatialServices.GetArea Method

Definition

Namespace:

System.Data.Spatial

Assembly:

System.Data.Entity.dll

Returns a nullable double value that indicates the area of the given value.

Overloads

GetArea(DbGeography)	Returns a nullable double value that indicates the area of the given DbGeography value, which may be null if the value does not represent a surface.
GetArea(DbGeometry)	Returns a nullable double value that indicates the area of the given DbGeometry value, which may be null if the value does not represent a surface.

GetArea(DbGeography)

Returns a nullable double value that indicates the area of the given DbGeography value, which may be null if the value does not represent a surface.

public:
 abstract Nullable<double> GetArea(System::Data::Spatial::DbGeography ^ geographyValue);

public abstract double? GetArea (System.Data.Spatial.DbGeography geographyValue);

abstract member GetArea : System.Data.Spatial.DbGeography -> Nullable<double>

Public MustOverride Function GetArea (geographyValue As DbGeography) As Nullable(Of Double)

Parameters

geographyValue

DbGeography

The geography value, which need not represent a surface.

Returns

Nullable<Double>

A nullable double value that indicates the area of the given DbGeography value.

Exceptions

ArgumentNullException

geographyValue

ArgumentException

geographyValue

GetArea(DbGeometry)

Returns a nullable double value that indicates the area of the given DbGeometry value, which may be null if the value does not represent a surface.

public:
 abstract Nullable<double> GetArea(System::Data::Spatial::DbGeometry ^ geometryValue);

public abstract double? GetArea (System.Data.Spatial.DbGeometry geometryValue);

abstract member GetArea : System.Data.Spatial.DbGeometry -> Nullable<double>

Public MustOverride Function GetArea (geometryValue As DbGeometry) As Nullable(Of Double)

Parameters

geometryValue

DbGeometry

The geometry value, which need not represent a surface.

Returns

Nullable<Double>

A nullable double value that indicates the area of the given DbGeometry value.

Exceptions

ArgumentNullException

geometryValue

ArgumentException

geometryValue