Méthode STDifference
Returns an object representing the points from one SqlGeography instance that do not lie within another SqlGeography instance.
Espace de noms : Microsoft.SqlServer.Types
Assembly : Microsoft.SqlServer.Types (en Microsoft.SqlServer.Types.dll)
Syntaxe
'Déclaration
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Function STDifference ( _
other As SqlGeography _
) As SqlGeography
'Utilisation
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
Paramètres
- other
Type : Microsoft.SqlServer.Types. . :: . .SqlGeography
Another SqlGeography instance that indicates which points to remove from the instance on which this method is being invoked.
Valeur de retour
Type : Microsoft.SqlServer.Types. . :: . .SqlGeography
A SqlGeography value that represents all of the points that are unique to the calling instance.
Notes
This method always returns null if the spatial reference IDs (SRIDs) of the SqlGeography instances do not match.