# STPointN (geometry Data Type)

Returns a specified point in a geometry instance.

If a geometry instance is user created, STPointN() returns the point specified by expression by ordering the points in the order in which they were originally input.

If a geometry instance was constructed by the system, STPointN() returns the point specified by expression by ordering all the points in the same order they would be output: first by geometry, then by ring within the geometry (if appropriate), and then by point within the ring. This order is deterministic.

If this method is called with a value less than 1, it throws an ArgumentOutOfRangeException.

If this method is called with a value greater than the number of points in the instance, it returns null.

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