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Expression.ListInit Method (NewExpression, ElementInit[])

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

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

static member ListInit : 
        newExpression:NewExpression * 
        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.

ExceptionCondition
ArgumentNullException

newExpression or initializers is a null reference (Nothing in Visual Basic).

-or-

One or more elements of initializers are a null reference (Nothing in Visual Basic).

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 ListInitExpression that 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.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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