SpatialEdmFunctions.InteriorRingAt Method (DbExpression, DbExpression)

.NET Framework (current version)
 
System_CAPS_noteNote

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Creates a DbFunctionExpression that invokes the canonical 'InteriorRingAt' function with the specified arguments. The first argument must have an Edm.Geometry result type. The second argument must have an integer numeric result types. The result type of the expression is Edm.Geometry.

Namespace:   System.Data.Common.CommandTrees.ExpressionBuilder.Spatial
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public static DbFunctionExpression InteriorRingAt(
	this DbExpression geometryValue,
	DbExpression indexValue
)

Parameters

geometryValue
Type: System.Data.Common.CommandTrees.DbExpression

The geometry value.

indexValue
Type: System.Data.Common.CommandTrees.DbExpression

An expression that specifies the position of the interior ring to be retrieved from within the polygon.

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression that returns either the interior ring at position indexValue in geometryValue or null if geometryValue is not a polygon.

Exception Condition
ArgumentNullException

geometryValue

ArgumentNullException

indexValue

ArgumentException

geometryValueindexValue

.NET Framework
Available since 4.5
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