Expression.ListInit Method (NewExpression, ElementInit[])

 

Creates a ListInitExpression that uses specified ElementInit objects to initialize a collection.

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

static member ListInit : 
        newExpression:NewExpression *
        [<ParamArrayAttribute>] initializers:ElementInit[] -> ListInitExpression

Parameters

newExpression
Type: System.Linq.Expressions.NewExpression

A NewExpression to set the NewExpression property equal to.

initializers
Type: System.Linq.Expressions.ElementInit[]

An array of ElementInit objects to use to populate the Initializers collection.

Return Value

Type: System.Linq.Expressions.ListInitExpression

A ListInitExpression that has the NodeType property equal to ListInit and the NewExpression and Initializers properties set to the specified values.

Exception Condition
ArgumentNullException

newExpression or initializers is null.

-or-

One or more elements of initializers are null.

ArgumentException

newExpression.Type does not implement IEnumerable.

The Type property of newExpression must represent a type that implements IEnumerable.

The Type property of the resulting ListInitExpression is equal to newExpression.Type.

The following example demonstrates how to use the ListInit(NewExpression, ElementInit[]) method to create a ListInitExpressionthat represents the initialization of a new dictionary instance with two key-value pairs.

No code example is currently available or this language may not be supported.

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