BinaryFormatter.Deserialize BinaryFormatter.Deserialize BinaryFormatter.Deserialize BinaryFormatter.Deserialize Method

Definición

Deserializa una secuencia en un gráfico de objetos.Deserializes a stream into an object graph.

Sobrecargas

Deserialize(Stream) Deserialize(Stream) Deserialize(Stream) Deserialize(Stream)

Deserializa la secuencia especificada en un gráfico de objetos.Deserializes the specified stream into an object graph.

Deserialize(Stream, HeaderHandler) Deserialize(Stream, HeaderHandler) Deserialize(Stream, HeaderHandler) Deserialize(Stream, HeaderHandler)

Deserializa la secuencia especificada en un gráfico de objetos.Deserializes the specified stream into an object graph. El HeaderHandler suministrado controla los encabezados de dicha secuencia.The provided HeaderHandler handles any headers in that stream.

Comentarios

Importante

Llamar a este método con datos que no son de confianza supone un riesgo de seguridad.Calling this method with untrusted data is a security risk. Llame a este método solo con datos de confianza.Call this method only with trusted data. Para obtener más información, vea Data Validation (Validación de datos).For more information, see Data Validation.

Deserialize(Stream) Deserialize(Stream) Deserialize(Stream) Deserialize(Stream)

Deserializa la secuencia especificada en un gráfico de objetos.Deserializes the specified stream into an object graph.

public:
 virtual System::Object ^ Deserialize(System::IO::Stream ^ serializationStream);
public object Deserialize (System.IO.Stream serializationStream);
abstract member Deserialize : System.IO.Stream -> obj
override this.Deserialize : System.IO.Stream -> obj
Public Function Deserialize (serializationStream As Stream) As Object

Parámetros

serializationStream
Stream Stream Stream Stream

Secuencia a partir de la que se va a deserializar el gráfico de objetos.The stream from which to deserialize the object graph.

Devoluciones

Partes superior (raíz) del gráfico de objetos.The top (root) of the object graph.

Implementaciones

Excepciones

El valor de serializationStream es null.The serializationStream is null.

serializationStream admite operaciones de búsqueda, pero su longitud es cero.The serializationStream supports seeking, but its length is 0.

O bien-or- El tipo de destino es Decimal, pero el valor está fuera de intervalo del tipo Decimal.The target type is a Decimal, but the value is out of range of the Decimal type.

El llamador no dispone del permiso requerido.The caller does not have the required permission.

Ejemplos

using namespace System;
using namespace System::IO;
using namespace System::Collections;
using namespace System::Runtime::Serialization::Formatters::Binary;
using namespace System::Runtime::Serialization;
ref class App
{
public:
   static void Serialize()
   {
      
      // Create a hashtable of values that will eventually be serialized.
      Hashtable^ addresses = gcnew Hashtable;
      addresses->Add( "Jeff", "123 Main Street, Redmond, WA 98052" );
      addresses->Add( "Fred", "987 Pine Road, Phila., PA 19116" );
      addresses->Add( "Mary", "PO Box 112233, Palo Alto, CA 94301" );
      
      // To serialize the hashtable (and its keys/values),  
      // you must first open a stream for writing. 
      // In this case we will use a file stream.
      FileStream^ fs = gcnew FileStream( "DataFile.dat",FileMode::Create );
      
      // Construct a BinaryFormatter and use it to serialize the data to the stream.
      BinaryFormatter^ formatter = gcnew BinaryFormatter;
      try
      {
         formatter->Serialize( fs, addresses );
      }
      catch ( SerializationException^ e ) 
      {
         Console::WriteLine( "Failed to serialize. Reason: {0}", e->Message );
         throw;
      }
      finally
      {
         fs->Close();
      }

   }

   static void Deserialize()
   {
      
      // Declare the hashtable reference.
      Hashtable^ addresses = nullptr;
      
      // Open the file containing the data that we want to deserialize.
      FileStream^ fs = gcnew FileStream( "DataFile.dat",FileMode::Open );
      try
      {
         BinaryFormatter^ formatter = gcnew BinaryFormatter;
         
         // Deserialize the hashtable from the file and 
         // assign the reference to our local variable.
         addresses = dynamic_cast<Hashtable^>(formatter->Deserialize( fs ));
      }
      catch ( SerializationException^ e ) 
      {
         Console::WriteLine( "Failed to deserialize. Reason: {0}", e->Message );
         throw;
      }
      finally
      {
         fs->Close();
      }

      
      // To prove that the table deserialized correctly, display the keys/values.
      IEnumerator^ myEnum = addresses->GetEnumerator();
      while ( myEnum->MoveNext() )
      {
         DictionaryEntry ^ de = safe_cast<DictionaryEntry ^>(myEnum->Current);
         Console::WriteLine( " {0} lives at {1}.", de->Key, de->Value );
      }
   }

};


[STAThread]
int main()
{
   App::Serialize();
   App::Deserialize();
   return 0;
}

using System;
using System.IO;
using System.Collections;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;

public class App 
{
    [STAThread]
    static void Main() 
    {
        Serialize();
        Deserialize();
    }

    static void Serialize() 
    {
        // Create a hashtable of values that will eventually be serialized.
        Hashtable addresses = new Hashtable();
        addresses.Add("Jeff", "123 Main Street, Redmond, WA 98052");
        addresses.Add("Fred", "987 Pine Road, Phila., PA 19116");
        addresses.Add("Mary", "PO Box 112233, Palo Alto, CA 94301");

        // To serialize the hashtable and its key/value pairs,  
        // you must first open a stream for writing. 
        // In this case, use a file stream.
        FileStream fs = new FileStream("DataFile.dat", FileMode.Create);

        // Construct a BinaryFormatter and use it to serialize the data to the stream.
        BinaryFormatter formatter = new BinaryFormatter();
        try 
        {
            formatter.Serialize(fs, addresses);
        }
        catch (SerializationException e) 
        {
            Console.WriteLine("Failed to serialize. Reason: " + e.Message);
            throw;
        }
        finally 
        {
            fs.Close();
        }
    }

   
    static void Deserialize() 
    {
        // Declare the hashtable reference.
        Hashtable addresses  = null;

        // Open the file containing the data that you want to deserialize.
        FileStream fs = new FileStream("DataFile.dat", FileMode.Open);
        try 
        {
            BinaryFormatter formatter = new BinaryFormatter();

            // Deserialize the hashtable from the file and 
            // assign the reference to the local variable.
            addresses = (Hashtable) formatter.Deserialize(fs);
        }
        catch (SerializationException e) 
        {
            Console.WriteLine("Failed to deserialize. Reason: " + e.Message);
            throw;
        }
        finally 
        {
            fs.Close();
        }

        // To prove that the table deserialized correctly, 
        // display the key/value pairs.
        foreach (DictionaryEntry de in addresses) 
        {
            Console.WriteLine("{0} lives at {1}.", de.Key, de.Value);
        }
    }
}
Imports System.IO
Imports System.Collections
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Runtime.Serialization


Module App

    Sub Main()
        Serialize()
        Deserialize()
    End Sub

    Sub Serialize()

        ' Create a hashtable of values that will eventually be serialized.
        Dim addresses As New Hashtable
        addresses.Add("Jeff", "123 Main Street, Redmond, WA 98052")
        addresses.Add("Fred", "987 Pine Road, Phila., PA 19116")
        addresses.Add("Mary", "PO Box 112233, Palo Alto, CA 94301")

        ' To serialize the hashtable (and its key/value pairs),  
        ' you must first open a stream for writing. 
        ' In this case, use a file stream.
        Dim fs As New FileStream("DataFile.dat", FileMode.Create)

        ' Construct a BinaryFormatter and use it to serialize the data to the stream.
        Dim formatter As New BinaryFormatter
        Try
            formatter.Serialize(fs, addresses)
        Catch e As SerializationException
            Console.WriteLine("Failed to serialize. Reason: " & e.Message)
            Throw
        Finally
            fs.Close()
        End Try
    End Sub



    Sub Deserialize()
        ' Declare the hashtable reference.
        Dim addresses As Hashtable = Nothing

        ' Open the file containing the data that you want to deserialize.
        Dim fs As New FileStream("DataFile.dat", FileMode.Open)
        Try
            Dim formatter As New BinaryFormatter

            ' Deserialize the hashtable from the file and 
            ' assign the reference to the local variable.
            addresses = DirectCast(formatter.Deserialize(fs), Hashtable)
        Catch e As SerializationException
            Console.WriteLine("Failed to deserialize. Reason: " & e.Message)
            Throw
        Finally
            fs.Close()
        End Try

        ' To prove that the table deserialized correctly, 
        ' display the key/value pairs.
        Dim de As DictionaryEntry
        For Each de In addresses
            Console.WriteLine("{0} lives at {1}.", de.Key, de.Value)
        Next
    End Sub
End Module

Comentarios

Para la correcta deserialización, la posición actual en la secuencia debe ser al principio del gráfico de objetos.For successful deserialization, the current position in the stream must be at the beginning of the object graph.

Importante

Llamar a este método con datos que no son de confianza supone un riesgo de seguridad.Calling this method with untrusted data is a security risk. Llame a este método solo con datos de confianza.Call this method only with trusted data. Para obtener más información, vea Data Validation (Validación de datos).For more information, see Data Validation.

Seguridad

SecurityPermission
Para proporcionar servicios de serialización.To provide serialization services. Enumeración asociada: SerializationFormatter.Associated enumeration: SerializationFormatter.

Deserialize(Stream, HeaderHandler) Deserialize(Stream, HeaderHandler) Deserialize(Stream, HeaderHandler) Deserialize(Stream, HeaderHandler)

Deserializa la secuencia especificada en un gráfico de objetos.Deserializes the specified stream into an object graph. El HeaderHandler suministrado controla los encabezados de dicha secuencia.The provided HeaderHandler handles any headers in that stream.

public:
 virtual System::Object ^ Deserialize(System::IO::Stream ^ serializationStream, System::Runtime::Remoting::Messaging::HeaderHandler ^ handler);
public object Deserialize (System.IO.Stream serializationStream, System.Runtime.Remoting.Messaging.HeaderHandler handler);
abstract member Deserialize : System.IO.Stream * System.Runtime.Remoting.Messaging.HeaderHandler -> obj
override this.Deserialize : System.IO.Stream * System.Runtime.Remoting.Messaging.HeaderHandler -> obj
Public Function Deserialize (serializationStream As Stream, handler As HeaderHandler) As Object

Parámetros

serializationStream
Stream Stream Stream Stream

Secuencia a partir de la que se va a deserializar el gráfico de objetos.The stream from which to deserialize the object graph.

handler
HeaderHandler HeaderHandler HeaderHandler HeaderHandler

HeaderHandler que controla los encabezados de serializationStream.The HeaderHandler that handles any headers in the serializationStream. Puede ser null.Can be null.

Devoluciones

Objeto deserializado u objeto superior (raíz) del gráfico de objetos.The deserialized object or the top object (root) of the object graph.

Implementaciones

Excepciones

El valor de serializationStream es null.The serializationStream is null.

serializationStream admite operaciones de búsqueda, pero su longitud es cero.The serializationStream supports seeking, but its length is 0.

O bien-or- El tipo de destino es Decimal, pero el valor está fuera de intervalo del tipo Decimal.The target type is a Decimal, but the value is out of range of the Decimal type.

El llamador no dispone del permiso requerido.The caller does not have the required permission.

Comentarios

Los encabezados se usan solo para aplicaciones remotas específicas.Headers are used only for specific remoting applications.

En orden para la deserialización se realice correctamente, la posición actual en la secuencia debe ser al principio del gráfico de objetos.In order for deserialization to succeed the current position in the stream must be at the beginning of the object graph.

Importante

Llamar a este método con datos que no son de confianza supone un riesgo de seguridad.Calling this method with untrusted data is a security risk. Llame a este método solo con datos de confianza.Call this method only with trusted data. Para obtener más información, vea Data Validation (Validación de datos).For more information, see Data Validation.

Seguridad

SecurityPermission
Para proporcionar servicios de serialización.To provide serialization services. Enumeración asociada: SerializationFormatter.Associated enumeration: SerializationFormatter.

Se aplica a