STInteriorRingN Method
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SqlGeometry.STInteriorRingN Method (Int32)


Returns the specified interior ring of a Polygon SqlGeometry instance.

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

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = true)]
public SqlGeometry STInteriorRingN(
	int n


Type: System.Int32

An int expression between 1 and the number of interior rings in the SqlGeometry instance.

Return Value

Type: Microsoft.SqlServer.Types.SqlGeometry

A SqlGeometry object that represents the interior ring of the Polygon.

This method returns null if the SqlGeometry instance is not a polygon. This method will also throw an ArgumentOutOfRangeException if the expression is larger than the number of rings. The number of rings can be returned using STNumInteriorRing.

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