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SqlGeography.STUnion Method

Returns an object representing the union of a SqlGeography instance with another SqlGeography instance.

Namespace:  Microsoft.SqlServer.Types
Assembly:  Microsoft.SqlServer.Types (in Microsoft.SqlServer.Types.dll)

<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Function STUnion ( _
	other As SqlGeography _
) As SqlGeography
Dim instance As SqlGeography 
Dim other As SqlGeography 
Dim returnValue As SqlGeography 

returnValue = instance.STUnion(other)


Type: Microsoft.SqlServer.Types.SqlGeography
The SqlGeography instance to form a union with the instance on which STUnion is being invoked.

Return Value

Type: Microsoft.SqlServer.Types.SqlGeography
A SqlGeography object representing the union of the SqlGeography objects.

This method always returns null if the Spatial Reference Identifiers (SRIDs) of the SqlGeography instances do not match.

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