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SpatialEdmFunctions.SpatialTouches Method

.NET Framework 4.6 and 4.5

Creates a DbFunctionExpression that invokes the canonical 'SpatialTouches' function with the specified arguments, which must each have an Edm.Geometry result type. The result type of the expression is Edm.Boolean.

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

public static DbFunctionExpression SpatialTouches(
	this DbExpression geometryValue1,
	DbExpression geometryValue2
)

Parameters

geometryValue1
Type: System.Data.Common.CommandTrees.DbExpression

An expression that specifies the first geometry value.

geometryValue2
Type: System.Data.Common.CommandTrees.DbExpression

An expression that specifies the geometry value that should be compared with geometryValue1.

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression
A new DbFunctionExpression that returns a Boolean value indicating whether geometryValue1 touches geometryValue2.

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

geometryValue1geometryValue2

ArgumentException

geometryValue1geometryValue2

.NET Framework

Supported in: 4.6, 4.5
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