ArrayIndex Method (Expression, Expression)
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Expression.ArrayIndex Method (Expression, Expression)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Creates a BinaryExpression that represents applying an array index operator to an array of rank one.

Namespace:  System.Linq.Expressions
Assembly:  System.Core (in System.Core.dll)

'Declaration
Public Shared Function ArrayIndex ( _
	array As Expression, _
	index As Expression _
) As BinaryExpression

Parameters

array
Type: System.Linq.Expressions.Expression
A Expression to set the Left property equal to.
index
Type: System.Linq.Expressions.Expression
A Expression to set the Right property equal to.

Return Value

Type: System.Linq.Expressions.BinaryExpression
A BinaryExpression that has the NodeType property equal to ArrayIndex and the Left and Right properties set to the specified values.

ExceptionCondition
ArgumentNullException

array or index is Nothing.

ArgumentException

array.Type does not represent an array type.

-or-

array.Type represents an array type whose rank is not 1.

-or-

index.Type does not represent the Int32 type.

index must represent an index of type Int32.

The Method property of the resulting BinaryExpression is Nothing, and both IsLifted and IsLiftedToNull are set to false. The Type property is equal to the element type of array.Type. The Conversion property is Nothing.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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