Metodo SqlGeography.STDifference
Returns an object representing the points from one SqlGeography instance that do not lie within another SqlGeography instance.
Spazio dei nomi Microsoft.SqlServer.Types
Assembly: Microsoft.SqlServer.Types (in Microsoft.SqlServer.Types.dll)
Sintassi
'Dichiarazione
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Function STDifference ( _
other As SqlGeography _
) As SqlGeography
'Utilizzo
Dim instance As SqlGeography
Dim other As SqlGeography
Dim returnValue As SqlGeography
returnValue = instance.STDifference(other)
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public SqlGeography STDifference(
SqlGeography other
)
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
SqlGeography^ STDifference(
SqlGeography^ other
)
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
member STDifference :
other:SqlGeography -> SqlGeography
public function STDifference(
other : SqlGeography
) : SqlGeography
Parametri
- other
Tipo: Microsoft.SqlServer.Types.SqlGeography
Another SqlGeography instance that indicates which points to remove from the instance on which this method is being invoked.
Valore restituito
Tipo: Microsoft.SqlServer.Types.SqlGeography
A SqlGeography value that represents all of the points that are unique to the calling instance.
Osservazioni
This method always returns null if the spatial reference IDs (SRIDs) of the SqlGeography instances do not match.