Метод SqlGeography.STDifference
Returns an object representing the points from one SqlGeography instance that do not lie within another SqlGeography instance.
Пространство имен: Microsoft.SqlServer.Types
Сборка: Microsoft.SqlServer.Types (в Microsoft.SqlServer.Types.dll)
Синтаксис
'Декларация
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Function STDifference ( _
other As SqlGeography _
) As SqlGeography
'Применение
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
Параметры
- other
Тип: Microsoft.SqlServer.Types.SqlGeography
Another SqlGeography instance that indicates which points to remove from the instance on which this method is being invoked.
Возвращаемое значение
Тип: Microsoft.SqlServer.Types.SqlGeography
A SqlGeography value that represents all of the points that are unique to the calling instance.
Замечания
This method always returns null if the spatial reference IDs (SRIDs) of the SqlGeography instances do not match.