Type.IsNested Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan nilai yang menunjukkan apakah objek saat ini Type mewakili jenis yang definisinya ditumpuk di dalam definisi jenis lain.
public:
property bool IsNested { bool get(); };
public bool IsNested { get; }
member this.IsNested : bool
Public ReadOnly Property IsNested As Boolean
Nilai Properti
true
Type jika bersarang di dalam jenis lain; jika tidak, false.
Contoh
Contoh berikut membuat kelas luar dengan sejumlah kelas berlapis yang memiliki berbagai jenis visibilitas. Kemudian mengambil nilai sejumlah properti terkait Type visibilitas untuk jenis induk dan masing-masing jenis berlapisnya.
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
Keterangan
Properti IsNested mengembalikan true untuk semua jenis berlapis, terlepas dari visibilitasnya. Untuk menguji sarang dan visibilitas secara bersamaan, gunakan properti IsNestedAssemblyterkait , , IsNestedFamily, IsNestedFamANDAssemIsNestedFamORAssem, IsNestedPrivate, atau IsNestedPublic.
Nota
Anggota VisibilityMask enumerasi memilih atribut visibilitas untuk jenis.