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SerializableAttribute Classe

Indica que uma classe pode ser serializada.Essa classe não pode ser herdada.

Namespace:  System
Assembly:  mscorlib (em mscorlib. dll)

[ComVisibleAttribute(true)]
[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Struct|AttributeTargets.Enum|AttributeTargets.Delegate, Inherited = false)]
public sealed class SerializableAttribute : Attribute

Apply the SerializableAttribute attribute to a type to indicate that instances of this type can be serialized.The common language runtime throws SerializationException if any type in the graph of objects being serialized does not have the SerializableAttribute attribute applied.

Apply the SerializableAttribute attribute even if the class also implements the ISerializable interface to control the serialization process.

All the public and private fields in a type that are marked by the SerializableAttribute are serialized by default, unless the type implements the ISerializable interface to override the serialization process.The default serialization process excludes fields that are marked with the NonSerializedAttribute attribute.If a field of a serializable type contains a pointer, a handle, or some other data structure that is specific to a particular environment, and cannot be meaningfully reconstituted in a different environment, then you might want to apply the NonSerializedAttribute attribute to that field.

For more information about using attributes, see Estendendo metadados usando atributos.For more information about serialization, see System.Runtime.Serialization.

Windows Mobile para Pocket PC, Windows Mobile para Smartphone, O Windows CE Platform Note:

The SerializableAttribute class is present in the .NET Compact Framework for compatibility only, and will be ignored if used.

The following example demonstrates serialization of an object that is marked with the SerializableAttribute attribute.To use the BinaryFormatter instead of the SoapFormatter, uncomment the appropriate lines.

using System;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Soap;
//using System.Runtime.Serialization.Formatters.Binary;

public class Test {
   public static void Main()  {

      //Creates a new TestSimpleObject object.
      TestSimpleObject obj = new TestSimpleObject();

      Console.WriteLine("Before serialization the object contains: ");
      obj.Print();

      //Opens a file and serializes the object into it in binary format.
      Stream stream = File.Open("data.xml", FileMode.Create);
      SoapFormatter formatter = new SoapFormatter();

      //BinaryFormatter formatter = new BinaryFormatter();

      formatter.Serialize(stream, obj);
      stream.Close();

      //Empties obj.
      obj = null;

      //Opens file "data.xml" and deserializes the object from it.
      stream = File.Open("data.xml", FileMode.Open);
      formatter = new SoapFormatter();

      //formatter = new BinaryFormatter();

      obj = (TestSimpleObject)formatter.Deserialize(stream);
      stream.Close();

      Console.WriteLine("");
      Console.WriteLine("After deserialization the object contains: ");
      obj.Print();
   }
}


// A test object that needs to be serialized.
[Serializable()]		
public class TestSimpleObject  {

    public int member1;
    public string member2;
    public string member3;
    public double member4;

    // A field that is not serialized.
    [NonSerialized()] public string member5; 

    public TestSimpleObject() {

        member1 = 11;
        member2 = "hello";
        member3 = "hello";
        member4 = 3.14159265;
        member5 = "hello world!";
    }


    public void Print() {

        Console.WriteLine("member1 = '{0}'", member1);
        Console.WriteLine("member2 = '{0}'", member2);
        Console.WriteLine("member3 = '{0}'", member3);
        Console.WriteLine("member4 = '{0}'", member4);
        Console.WriteLine("member5 = '{0}'", member5);
    }
}


import System.*;
import System.IO.*;
import System.Runtime.Serialization.*;
import System.Runtime.Serialization.Formatters.Soap.*;
//import System.Runtime.Serialization.Formatters.Binary;

public class Test
{
    public static void main(String[] args)
    {        
        //Creates a new TestSimpleObject object.
        TestSimpleObject obj = new TestSimpleObject();
        Console.WriteLine("Before serialization the object contains: ");
        obj.Print();
        //Opens a file and serializes the object into it in binary format.
        Stream stream = File.Open("data.xml", FileMode.Create);
        SoapFormatter formatter = new SoapFormatter();
        //BinaryFormatter formatter = new BinaryFormatter();
        formatter.Serialize(stream, obj);
        stream.Close();
        //Empties obj.
        obj = null;
        //Opens file "data.xml" and deserializes the object from it.
        stream = File.Open("data.xml", FileMode.Open);
        formatter = new SoapFormatter();
        //formatter = new BinaryFormatter();
        obj = (TestSimpleObject)(formatter.Deserialize(stream));
        stream.Close();
        Console.WriteLine("");
        Console.WriteLine("After deserialization the object contains: ");
        obj.Print();
    } //main
} //Test

// A test object that needs to be serialized.
/** @attribute Serializable()
 */
public class TestSimpleObject
{
    public int member1;
    public String member2;
    public String member3;
    public double member4;

    // A field that is not serialized.
    /** @attribute NonSerialized()
     */
    public String member5;

    public TestSimpleObject()
    {
        member1 = 11;
        member2 = "hello";
        member3 = "hello";
        member4 = 3.14159265;
        member5 = "hello world!";
    } //TestSimpleObject

    public void Print()
    {
        Console.WriteLine("member1 = '{0}'", (System.Int32)member1);
        Console.WriteLine("member2 = '{0}'", member2);
        Console.WriteLine("member3 = '{0}'", member3);
        Console.WriteLine("member4 = '{0}'", (System.Double)member4);
        Console.WriteLine("member5 = '{0}'", member5);
    } //Print
} //TestSimpleObject


System.Object
  System.Attribute
    System.SerializableAttribute

Quaisquer membros públicos estático (compartilhados na Visual Basic) desse tipo são Thread seguro. Não há garantia de que qualquer membro de instância seja isento de segmentos.
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