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SpatialEdmFunctions.SpatialBoundary Method

.NET Framework 4.5

Creates a DbFunctionExpression that invokes the canonical 'SpatialBoundary' function with the specified argument, which must have an Edm.Geometry result type. 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 SpatialBoundary(
	this DbExpression geometryValue
)

Parameters

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

An expression that specifies the geometry value from which the SpatialBoundary value should be retrieved.

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression
A new DbFunctionExpression that returns the the boundary for geometryValue.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type DbExpression. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

ExceptionCondition
ArgumentNullException

geometryValue

ArgumentException

geometryValue

.NET Framework

Supported in: 4.6, 4.5
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