Metodo SqlGeometry.InstanceOf

Tests if the SqlGeometry instance is the same as the specified type.

Spazio dei nomi  Microsoft.SqlServer.Types
Assembly:  Microsoft.SqlServer.Types (in Microsoft.SqlServer.Types.dll)

Sintassi

'Dichiarazione
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := True)> _
Public Function InstanceOf ( _
    geometryType As String _
) As SqlBoolean
'Utilizzo
Dim instance As SqlGeometry 
Dim geometryType As String 
Dim returnValue As SqlBoolean 

returnValue = instance.InstanceOf(geometryType)

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = true)]
public SqlBoolean InstanceOf(
    string geometryType
)

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = true)]
public:
SqlBoolean InstanceOf(
    String^ geometryType
)

[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = true)>]
member InstanceOf : 
        geometryType:string -> SqlBoolean

public function InstanceOf(
    geometryType : String
) : SqlBoolean

Parametri

• geometryType
  Tipo: System.String
  Specifies the type of geometry that the calling SqlGeometry will be compared to.

Valore restituito

Tipo: System.Data.SqlTypes.SqlBoolean
A SqlBoolean value indicating if the calling SqlGeometry is of the specified geometry type. Returns true if the type of a SqlGeometry instance is the same as the specified type, or if the specified type is an ancestor of the instance type. Otherwise, returns false.

Osservazioni

The input for the method must be one of the following: Geometry, Point, Curve, LineString, Surface, Polygon, GeometryCollection, MultiSurface, MultiPolygon, MultiCurve, MultiLineString, and MultiPoint. This method throws an ArgumentException if any other strings are used for the input.

Vedere anche

Riferimento

SqlGeometry Classe

Spazio dei nomi Microsoft.SqlServer.Types