SpatialEdmFunctions.ExteriorRing Method (DbExpression)
Creates a DbFunctionExpression that invokes the canonical 'ExteriorRing' function with the specified argument, which must have an Edm.Geometry result type. The result type of the expression is Edm.Geometry.
Assembly: EntityFramework (in EntityFramework.dll)
Parameters
- geometryValue
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
The geometry value.
Return Value
Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpressionA new DbFunctionExpression that returns either the exterior ring of the polygon geometryValue or null if geometryValue is not a polygon.