SqlSpatialFunctions.RingN Method (DbGeography, Nullable<Int32>)
Returns the specified ring of the SqlGeography instance: 1 ≤ n ≤ NumRings().
Assembly: EntityFramework.SqlServer (in EntityFramework.SqlServer.dll)
[DbFunctionAttribute("SqlServer", "RINGN")] [SuppressMessageAttribute("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "index")] [SuppressMessageAttribute("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "geographyValue")] public static DbGeography RingN( DbGeography geographyValue, Nullable<int> index )
Parameters
- geographyValue
-
Type:
System.Data.Entity.Spatial.DbGeography
The geography value.
- index
-
Type:
System.Nullable<Int32>
An int expression between 1 and the number of rings in a polygon instance.
Return Value
Type: System.Data.Entity.Spatial.DbGeographyA SqlGeography object that represents the ring specified by n.