Type.IsNested Propriedade
Definição
Importante
Algumas informações dizem respeito a um produto pré-lançado que pode ser substancialmente modificado antes de ser lançado. A Microsoft não faz garantias, de forma expressa ou implícita, em relação à informação aqui apresentada.
Obtém um valor que indica se o objeto atual Type representa um tipo cuja definição está inserida na definição de outro tipo.
public:
property bool IsNested { bool get(); };
public bool IsNested { get; }
member this.IsNested : bool
Public ReadOnly Property IsNested As Boolean
Valor de Propriedade
true se o Type estiver aninhado dentro de outro tipo; caso contrário, false.
Exemplos
O exemplo seguinte cria uma classe exterior com várias classes aninhadas que têm vários tipos de visibilidade. Depois, recupera o valor de várias propriedades relacionadas Type com a visibilidade para o tipo pai e cada um dos seus tipos aninhados.
using System;
// Create a class with a number of nested classes.
public class OuterClass
{
private class PrivateClass
{}
protected class ProtectedClass
{}
internal class InternalClass
{}
protected internal class ProtectedInternalClass
{}
public class PublicClass
{}
public static void Main()
{
// Create an array of Type objects for all the classes.
Type[] types = { typeof(OuterClass),
typeof(OuterClass.PublicClass),
typeof(OuterClass.PrivateClass),
typeof(OuterClass.ProtectedClass),
typeof(OuterClass.InternalClass),
typeof(OuterClass.ProtectedInternalClass) };
// Display the property values of each nested class.
foreach (var type in types) {
Console.WriteLine("\n{0} property values:", type.Name);
Console.WriteLine(" Public Class: {0}", type.IsPublic);
Console.WriteLine(" Not a Public Class: {0}", type.IsNotPublic);
Console.WriteLine(" Nested Class: {0}", type.IsNested);
Console.WriteLine(" Nested Private Class: {0}", type.IsNestedPrivate);
Console.WriteLine(" Nested Internal Class: {0}", type.IsNestedAssembly);
Console.WriteLine(" Nested Protected Class: {0}", type.IsNestedFamily);
Console.WriteLine(" Nested Family Or Assembly Class: {0}", type.IsNestedFamORAssem);
Console.WriteLine(" Nested Family And Assembly Class: {0}", type.IsNestedFamANDAssem);
Console.WriteLine(" Nested Public Class: {0}", type.IsNestedPublic);
}
}
}
// The example displays the following output:
// OuterClass property values:
// Public Class: True
// Not a Public Class: False
// Nested Class: False
// Nested Private Class: False
// Nested Internal Class: False
// Nested Protected Class: False
// Nested Family Or Assembly Class: False
// Nested Family And Assembly Class: False
// Nested Public Class: False
//
// PublicClass property values:
// Public Class: False
// Not a Public Class: False
// Nested Class: True
// Nested Private Class: False
// Nested Internal Class: False
// Nested Protected Class: False
// Nested Family Or Assembly Class: False
// Nested Family And Assembly Class: False
// Nested Public Class: True
//
// PrivateClass property values:
// Public Class: False
// Not a Public Class: False
// Nested Class: True
// Nested Private Class: True
// Nested Internal Class: False
// Nested Protected Class: False
// Nested Family Or Assembly Class: False
// Nested Family And Assembly Class: False
// Nested Public Class: False
//
// ProtectedClass property values:
// Public Class: False
// Not a Public Class: False
// Nested Class: True
// Nested Private Class: False
// Nested Internal Class: False
// Nested Protected Class: True
// Nested Family Or Assembly Class: False
// Nested Family And Assembly Class: False
// Nested Public Class: False
//
// InternalClass property values:
// Public Class: False
// Not a Public Class: False
// Nested Class: True
// Nested Private Class: False
// Nested Internal Class: True
// Nested Protected Class: False
// Nested Family Or Assembly Class: False
// Nested Family And Assembly Class: False
// Nested Public Class: False
//
// ProtectedInternalClass property values:
// Public Class: False
// Not a Public Class: False
// Nested Class: True
// Nested Private Class: False
// Nested Internal Class: False
// Nested Protected Class: False
// Nested Family Or Assembly Class: True
// Nested Family And Assembly Class: False
// Nested Public Class: False
' Create a Class with a number of nested Classes.
Public Class OuterClass
Private Class PrivateClass
End Class
Protected Class ProtectedClass
End Class
Friend Class InternalClass
End Class
Protected Friend Class ProtectedInternalClass
End Class
Public Class PublicClass
End Class
Public Shared Sub Main()
' Create an array of Type objects for all the Classes.
Dim types() As Type = { GetType(OuterClass),
GetType(OuterClass.PublicClass),
GetType(OuterClass.PrivateClass),
GetType(OuterClass.ProtectedClass),
GetType(OuterClass.InternalClass),
GetType(OuterClass.ProtectedInternalClass) }
' Display the property values of each nested Class.
For Each type In types
Console.WriteLine("{0} property values:", type.Name)
Console.WriteLine(" Public Class: {0}", type.IsPublic)
Console.WriteLine(" Not a Public Class: {0}", type.IsNotPublic)
Console.WriteLine(" Nested Class: {0}", type.IsNested)
Console.WriteLine(" Nested Private Class: {0}", type.IsNestedPrivate)
Console.WriteLine(" Nested Internal Class: {0}", type.IsNestedAssembly)
Console.WriteLine(" Nested Protected Class: {0}", type.IsNestedFamily)
Console.WriteLine(" Nested Family Or Assembly Class: {0}", type.IsNestedFamORAssem)
Console.WriteLine(" Nested Family And Assembly Class: {0}", type.IsNestedFamANDAssem)
Console.WriteLine(" Nested Public Class: {0}", type.IsNestedPublic)
Console.WriteLine()
Next
End Sub
End Class
' The example displays the following output:
' OuterClass property values:
' Public Class: True
' Not a Public Class: False
' Nested Class: False
' Nested Private Class: False
' Nested Internal Class: False
' Nested Protected Class: False
' Nested Family Or Assembly Class: False
' Nested Family And Assembly Class: False
' Nested Public Class: False
'
' PublicClass property values:
' Public Class: False
' Not a Public Class: False
' Nested Class: True
' Nested Private Class: False
' Nested Internal Class: False
' Nested Protected Class: False
' Nested Family Or Assembly Class: False
' Nested Family And Assembly Class: False
' Nested Public Class: True
'
' PrivateClass property values:
' Public Class: False
' Not a Public Class: False
' Nested Class: True
' Nested Private Class: True
' Nested Internal Class: False
' Nested Protected Class: False
' Nested Family Or Assembly Class: False
' Nested Family And Assembly Class: False
' Nested Public Class: False
'
' ProtectedClass property values:
' Public Class: False
' Not a Public Class: False
' Nested Class: True
' Nested Private Class: False
' Nested Internal Class: False
' Nested Protected Class: True
' Nested Family Or Assembly Class: False
' Nested Family And Assembly Class: False
' Nested Public Class: False
'
' InternalClass property values:
' Public Class: False
' Not a Public Class: False
' Nested Class: True
' Nested Private Class: False
' Nested Internal Class: True
' Nested Protected Class: False
' Nested Family Or Assembly Class: False
' Nested Family And Assembly Class: False
' Nested Public Class: False
'
' ProtectedInternalClass property values:
' Public Class: False
' Not a Public Class: False
' Nested Class: True
' Nested Private Class: False
' Nested Internal Class: False
' Nested Protected Class: False
' Nested Family Or Assembly Class: True
' Nested Family And Assembly Class: False
' Nested Public Class: False
Observações
A IsNested propriedade retorna true para todos os tipos aninhados, independentemente da visibilidade. Para testar o aninhamento e a visibilidade ao mesmo tempo, use as propriedades IsNestedAssemblyrelacionadas , IsNestedFamily, IsNestedFamANDAssem, IsNestedFamORAssem, IsNestedPrivate, ou IsNestedPublic.
Note
O VisibilityMask membro de enumeração seleciona os atributos de visibilidade para um tipo.