Type.IsSerializable Property

Reference

Definition

Namespace:: System

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: Type.Helpers.cs

Source:: Type.Helpers.cs

Source:: Type.Helpers.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Caution

Formatter-based serialization is obsolete and should not be used.

Gets a value indicating whether the Type is binary serializable.

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

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

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[System.Obsolete("Formatter-based serialization is obsolete and should not be used.", DiagnosticId="SYSLIB0050", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]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

public bool IsSerializable { get; }

member this.IsSerializable : bool

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System.Obsolete("Formatter-based serialization is obsolete and should not be used.", DiagnosticId="SYSLIB0050", UrlFormat="https://aka.ms/dotnet-warnings/{0}")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

Public ReadOnly Property IsSerializable As Boolean

Property Value

Boolean

true if the Type is binary serializable; otherwise, false.

Implements

IsSerializable

Attributes: ObsoleteAttribute

Examples

The following example creates an instance of MyTestClass class, sets the [Serializable] attribute, and checks the IsSerializable property for true or 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

Remarks

Types that are defined in the .NET Standard are not marked with SerializableAttribute. Instead, each .NET implementation determines whether a type is binary serializable. At run time, you can use the IsSerializable property to determine whether that implementation supports binary serialization of an instance of the type. For more information and an example, see How to determine if a .NET Standard object is serializable.

If the current Type represents a constructed generic type, this property applies to the generic type definition from which the type was constructed. For example, if the current Type represents MyGenericType<int> (MyGenericType(Of Integer) in Visual Basic), the value of this property is determined by MyGenericType<T>.

If the current Type represents a type parameter in the definition of a generic type or generic method, this property always returns false.

Applies to

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