Type.IsSerializable Properti

Definisi

Ruang nama:

System

Rakitan:

System.Runtime.dll

Sumber:

Type.Helpers.cs

Perhatian

Formatter-based serialization is obsolete and should not be used.

Mendapatkan nilai yang menunjukkan apakah biner dapat diserialisasikan Type .

public:
 virtual property bool IsSerializable { bool get(); };

[System.Obsolete("Formatter-based serialization is obsolete and should not be used.", DiagnosticId="SYSLIB0050", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public virtual bool IsSerializable { get; }

[<System.Obsolete("Formatter-based serialization is obsolete and should not be used.", DiagnosticId="SYSLIB0050", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
member this.IsSerializable : bool

Public Overridable ReadOnly Property IsSerializable As Boolean

Nilai Properti

Boolean

true jika adalah biner yang dapat diserialisasikan Type ; jika tidak, false.

Atribut

ObsoleteAttribute

Contoh

Contoh berikut membuat instans MyTestClass kelas, mengatur atribut [Serializable], dan memeriksa IsSerializable properti untuk true atau false.

using namespace System;
public ref class MyClass
{
public:

   // Declare a public class with the [Serializable] attribute.

   [Serializable]
   ref class MyTestClass{};


};

int main()
{
   try
   {
      bool myBool = false;
      MyClass::MyTestClass^ myTestClassInstance = gcnew MyClass::MyTestClass;
      
      // Get the type of myTestClassInstance.
      Type^ myType = myTestClassInstance->GetType();
      
      // Get the IsSerializable property of myTestClassInstance.
      myBool = myType->IsSerializable;
      Console::WriteLine( "\nIs {0} serializable? {1}.", myType->FullName, myBool );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "\nAn exception occurred: {0}", e->Message );
   }

}

using System;
namespace SystemType
{
    public class MyClass
    {
        // Declare a public class with the [Serializable] attribute.
        [Serializable] public class MyTestClass
        {
        }
        public static void Main(string []args)
        {
            try
            {
                bool myBool = false;
                MyTestClass myTestClassInstance = new MyTestClass();
                // Get the type of myTestClassInstance.
                Type myType = myTestClassInstance.GetType();
                // Get the IsSerializable property of myTestClassInstance.
                myBool = myType.IsSerializable;
                Console.WriteLine("\nIs {0} serializable? {1}.", myType.FullName, myBool.ToString());
            }
            catch (Exception e)
            {
                Console.WriteLine("\nAn exception occurred: {0}", e.Message);
            }
        }
    }
}

open System

// Declare a public class with the [Serializable] attribute.
[<Serializable>]
type MyTestClass() = class end

try
    let myTestClassInstance = MyTestClass()
    // Get the type of myTestClassInstance.
    let myType = myTestClassInstance.GetType()
    // Get the IsSerializable property of myTestClassInstance.
    let myBool = myType.IsSerializable
    printfn $"\nIs {myType.FullName} serializable? {myBool}."
with e ->
    printfn $"\nAn exception occurred: {e.Message}"

Namespace SystemType
    Public Class [MyClass]
        ' Declare a public class with the [Serializable] attribute.
        <Serializable()> Public Class MyTestClass
        End Class
        Public Overloads Shared Sub Main()
            Try
                Dim myBool As Boolean = False
                Dim myTestClassInstance As New MyTestClass()
                ' Get the type of myTestClassInstance.
                Dim myType As Type = myTestClassInstance.GetType()
                ' Get the IsSerializable property of myTestClassInstance.
                myBool = myType.IsSerializable
                Console.WriteLine(ControlChars.Cr + "Is {0} serializable? {1}.", myType.FullName, myBool.ToString())
            Catch e As Exception
                Console.WriteLine(ControlChars.Cr + "An exception occurred: {0}", e.Message.ToString())
            End Try
        End Sub
    End Class
End Namespace 'SystemType

Keterangan

Jenis yang ditentukan dalam .NET Standard tidak ditandai dengan SerializableAttribute. Sebaliknya, setiap implementasi .NET menentukan apakah jenis dapat diserialisasi biner. Pada durasi, Anda dapat menggunakan properti untuk menentukan apakah implementasi tersebut IsSerializable mendukung serialisasi biner dari instans jenis tersebut. Untuk informasi selengkapnya dan contohnya, lihat Cara menentukan apakah objek .NET Standard dapat diserialisasikan.

Jika saat ini Type mewakili jenis generik yang dibangun, properti ini berlaku untuk definisi jenis generik tempat jenis dibuat. Misalnya, jika saat ini Type mewakili MyGenericType<int> (MyGenericType(Of Integer) dalam Visual Basic), nilai properti ini ditentukan oleh MyGenericType<T>.

Jika saat ini Type mewakili parameter jenis dalam definisi jenis generik atau metode generik, properti ini selalu mengembalikan false.

Lihat juga

• TypeAttributes
• ISerializable