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

Definition

Deserialisiert einen Stream in ein Objektdiagramm.Deserializes a stream into an object graph.

Überlädt

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

Deserialisiert den angegebenen Stream in ein Objektdiagramm.Deserializes the specified stream into an object graph.

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

Deserialisiert den angegebenen Stream in ein Objektdiagramm.Deserializes the specified stream into an object graph. Der bereitgestellte HeaderHandler behandelt sämtliche Header in diesem Stream.The provided HeaderHandler handles any headers in that stream.

Hinweise

Wichtig

Das Aufrufen dieser Methode mit nicht vertrauenswürdigen Daten stellt ein Sicherheitsrisiko dar.Calling this method with untrusted data is a security risk. Rufen Sie diese Methode nur mit vertrauenswürdigen Daten auf.Call this method only with trusted data. Weitere Informationen finden Sie unter Data Validation (Datenüberprüfung).For more information, see Data Validation.

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

Deserialisiert den angegebenen Stream in ein Objektdiagramm.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

Parameter

serializationStream
Stream Stream Stream Stream

Der Stream, aus dem das Objektdiagramm deserialisiert werden soll.The stream from which to deserialize the object graph.

Gibt zurück

Das oberste Element (Stamm) des Objektdiagramms.The top (root) of the object graph.

Implementiert

Ausnahmen

serializationStream ist null.The serializationStream is null.

Der serializationStream unterstützt die Suche, seine Länge ist jedoch 0.The serializationStream supports seeking, but its length is 0.

- oder --or- Der Zieltyp ist eine Decimal, aber der Wert ist außerhalb des Bereichs des Decimal-Typs.The target type is a Decimal, but the value is out of range of the Decimal type.

Der Aufrufer verfügt nicht über die erforderliche Berechtigung.The caller does not have the required permission.

Beispiele

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

Hinweise

Bei erfolgreicher Deserialisierung muss sich die aktuelle Position im Stream am Anfang des Objekt Diagramms befinden.For successful deserialization, the current position in the stream must be at the beginning of the object graph.

Wichtig

Das Aufrufen dieser Methode mit nicht vertrauenswürdigen Daten stellt ein Sicherheitsrisiko dar.Calling this method with untrusted data is a security risk. Rufen Sie diese Methode nur mit vertrauenswürdigen Daten auf.Call this method only with trusted data. Weitere Informationen finden Sie unter Data Validation (Datenüberprüfung).For more information, see Data Validation.

Sicherheit

SecurityPermission
, Um Serialisierungsdienste bereitzustellen.To provide serialization services. Zugeordnete Enumeration: SerializationFormatterAssociated enumeration: SerializationFormatter.

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

Deserialisiert den angegebenen Stream in ein Objektdiagramm.Deserializes the specified stream into an object graph. Der bereitgestellte HeaderHandler behandelt sämtliche Header in diesem Stream.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

Parameter

serializationStream
Stream Stream Stream Stream

Der Stream, aus dem das Objektdiagramm deserialisiert werden soll.The stream from which to deserialize the object graph.

handler
HeaderHandler HeaderHandler HeaderHandler HeaderHandler

Der HeaderHandler, der alle Header im serializationStream behandelt.The HeaderHandler that handles any headers in the serializationStream. Kann null sein.Can be null.

Gibt zurück

Das deserialisierte Objekt oder das oberste Objekt (Stammobjekt) des Objektdiagramms.The deserialized object or the top object (root) of the object graph.

Implementiert

Ausnahmen

serializationStream ist null.The serializationStream is null.

Der serializationStream unterstützt die Suche, seine Länge ist jedoch 0.The serializationStream supports seeking, but its length is 0.

- oder --or- Der Zieltyp ist eine Decimal, aber der Wert ist außerhalb des Bereichs des Decimal-Typs.The target type is a Decimal, but the value is out of range of the Decimal type.

Der Aufrufer verfügt nicht über die erforderliche Berechtigung.The caller does not have the required permission.

Hinweise

Header werden nur für bestimmte Remoting-Anwendungen verwendet.Headers are used only for specific remoting applications.

Um die Deserialisierung erfolgreich durchführen zu können, muss sich die aktuelle Position im Stream am Anfang des Objekt Diagramms befinden.In order for deserialization to succeed the current position in the stream must be at the beginning of the object graph.

Wichtig

Das Aufrufen dieser Methode mit nicht vertrauenswürdigen Daten stellt ein Sicherheitsrisiko dar.Calling this method with untrusted data is a security risk. Rufen Sie diese Methode nur mit vertrauenswürdigen Daten auf.Call this method only with trusted data. Weitere Informationen finden Sie unter Data Validation (Datenüberprüfung).For more information, see Data Validation.

Sicherheit

SecurityPermission
, Um Serialisierungsdienste bereitzustellen.To provide serialization services. Zugeordnete Enumeration: SerializationFormatterAssociated enumeration: SerializationFormatter.

Gilt für: