Expression::ListInit Method (NewExpression^, array<ElementInit^>^)


The .NET API Reference documentation has a new home. Visit the .NET API Browser on to see the new experience.

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

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

static ListInitExpression^ ListInit(
	NewExpression^ newExpression,
	... array<ElementInit^>^ initializers


Type: System.Linq.Expressions::NewExpression^

A NewExpression to set the NewExpression property equal to.

Type: array<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

newExpression or initializers is null.


One or more elements of initializers are null.


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^, array<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
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Return to top