SqlGeography::STUnion Method (SqlGeography^)


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)]
SqlGeography^ STUnion(
	SqlGeography^ 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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