NewExpression Classe

Definição

public ref class NewExpression : System::Linq::Expressions::Expression, System::Linq::Expressions::IArgumentProvider

public ref class NewExpression sealed : System::Linq::Expressions::Expression

public ref class NewExpression : System::Linq::Expressions::Expression

public class NewExpression : System.Linq.Expressions.Expression, System.Linq.Expressions.IArgumentProvider

public sealed class NewExpression : System.Linq.Expressions.Expression

public class NewExpression : System.Linq.Expressions.Expression

type NewExpression = class
    inherit Expression
    interface IArgumentProvider

type NewExpression = class
    inherit Expression

Public Class NewExpression
Inherits Expression
Implements IArgumentProvider

Public NotInheritable Class NewExpression
Inherits Expression

Public Class NewExpression
Inherits Expression

Herança

Object

Expression

NewExpression

Implementações

IArgumentProvider

Exemplos

O exemplo a seguir cria um NewExpression que representa a construção de uma nova instância de um objeto de dicionário.

// Create a NewExpression that represents constructing
// a new instance of Dictionary<int, string>.
System.Linq.Expressions.NewExpression newDictionaryExpression =
    System.Linq.Expressions.Expression.New(typeof(Dictionary<int, string>));

Console.WriteLine(newDictionaryExpression.ToString());

// This code produces the following output:
//
// new Dictionary`2()

' Create a NewExpression that represents constructing
' a new instance of Dictionary(Of Integer, String).
Dim newDictionaryExpression As System.Linq.Expressions.NewExpression = _
    System.Linq.Expressions.Expression.[New]( _
        Type.GetType("System.Collections.Generic.Dictionary`2[System.Int32, System.String]"))

Console.WriteLine(newDictionaryExpression.ToString())

' This code produces the following output:
'
' new Dictionary`2()

Comentários

Use os métodos de New fábrica para criar um NewExpression.

O valor da NodeType propriedade de um NewExpression objeto é New.