SpatialEdmFunctions.IsRing(DbExpression) Method
Definition
Important
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Creates a DbFunctionExpression that invokes the canonical 'IsRing' function with the specified argument, which must have an Edm.Geometry result type. The result type is Edm.Boolean.
public:
[System::Runtime::CompilerServices::Extension]
static System::Data::Common::CommandTrees::DbFunctionExpression ^ IsRing(System::Data::Common::CommandTrees::DbExpression ^ geometryValue);
public static System.Data.Common.CommandTrees.DbFunctionExpression IsRing (this System.Data.Common.CommandTrees.DbExpression geometryValue);
static member IsRing : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function IsRing (geometryValue As DbExpression) As DbFunctionExpression
Parameters
- geometryValue
- DbExpression
An expression that specifies the geometry curve value from which the IsRing value should be retrieved.
Returns
A new DbFunctionExpression that returns either a Boolean value indicating whether geometryValue
is a ring (both closed and simple), or null
if geometryValue
is not a curve.
Exceptions
geometryValue
geometryValue
Applies to
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