Expression::ArrayIndex Method (Expression^, Expression^)


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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)

static BinaryExpression^ ArrayIndex(
	Expression^ array,
	Expression^ index


Type: System.Linq.Expressions::Expression^

A Expression to set the Left property equal to.

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.

Exception Condition

array or index is null.


array.Type does not represent an array type.


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


index.Type does not represent the Int32 type.

index must represent an index of type Int32.

The Method property of the resulting BinaryExpression is null, 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 null.

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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