SpatialEdmFunctions.Measure(DbExpression) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Creates a DbFunctionExpression that invokes the canonical 'Measure' function with the specified argument, which must have an Edm.Geography or Edm.Geometry result type. The result type of the expression is Edm.Double.
public:
[System::Runtime::CompilerServices::Extension]
static System::Data::Common::CommandTrees::DbFunctionExpression ^ Measure(System::Data::Common::CommandTrees::DbExpression ^ spatialValue);
public static System.Data.Common.CommandTrees.DbFunctionExpression Measure (this System.Data.Common.CommandTrees.DbExpression spatialValue);
static member Measure : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function Measure (spatialValue As DbExpression) As DbFunctionExpression
Parameters
- spatialValue
- DbExpression
An expression that specifies the spatial point value from which the Measure (M) co-ordinate value should be retrieved.
Returns
A new DbFunctionExpression that returns either the Measure of spatialValue
or null
if spatialValue
is not a point.
Exceptions
spatialValue
spatialValue
Applies to
Feedback
https://aka.ms/ContentUserFeedback.
Kommer snart: I hele 2024 udfaser vi GitHub-problemer som feedbackmekanisme for indhold og erstatter det med et nyt feedbacksystem. Du kan få flere oplysninger under:Indsend og få vist feedback om