XmlArrayItemAttribute Konstruktoren

Referenz

Definition

Namespace:: System.Xml.Serialization

Assembly:: System.Xml.XmlSerializer.dll

Assembly:: System.Xml.dll

Assembly:: netstandard.dll

Wichtig

Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.

Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse.

Überlädt

XmlArrayItemAttribute()	Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse.
XmlArrayItemAttribute(String)	Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse und gibt den Namen des im XML-Dokument generierten XML-Elements an.
XmlArrayItemAttribute(Type)	Initialisiert eine Instanz der XmlArrayItemAttribute-Klasse und gibt den Type an, der in das serialisierte Array eingefügt werden kann.
XmlArrayItemAttribute(String, Type)	Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse und gibt den Namen des im XML-Dokument generierten XML-Elements sowie den Type an, der in das generierte XML-Dokument eingefügt werden kann.

XmlArrayItemAttribute()

Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse.

public:
 XmlArrayItemAttribute();

public XmlArrayItemAttribute ();

Public Sub New ()

Beispiele

#using <System.Xml.dll>
#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Xml::Serialization;

public ref class Vehicle
{
public:
   String^ id;
};

public ref class Car: public Vehicle
{
public:
   String^ Maker;
};

public ref class Transportation
{
public:

   [XmlArrayItem,
   XmlArrayItem(Car::typeid,ElementName="Automobile")]
   array<Vehicle^>^MyVehicles;
};

void SerializeObject( String^ filename )
{
   // Creates an XmlSerializer for the Transportation class. 
   XmlSerializer^ MySerializer = gcnew XmlSerializer( Transportation::typeid );

   // Writing the XML file to disk requires a TextWriter.
   TextWriter^ myTextWriter = gcnew StreamWriter( filename );

   // Creates the object to serialize.
   Transportation^ myTransportation = gcnew Transportation;

   // Creates objects to add to the array.
   Vehicle^ myVehicle = gcnew Vehicle;
   myVehicle->id = "A12345";
   Car^ myCar = gcnew Car;
   myCar->id = "Car 34";
   myCar->Maker = "FamousCarMaker";
   array<Vehicle^>^temp = {myVehicle,myCar};
   myTransportation->MyVehicles = temp;

   // Serializes the object, and closes the StreamWriter.
   MySerializer->Serialize( myTextWriter, myTransportation );
   myTextWriter->Close();
}

void DeserializeObject( String^ filename )
{
   // Creates an XmlSerializer instance.
   XmlSerializer^ mySerializer = gcnew XmlSerializer( Transportation::typeid );
   FileStream^ myFileStream = gcnew FileStream( filename,FileMode::Open );
   Transportation^ myTransportation = dynamic_cast<Transportation^>(mySerializer->Deserialize( myFileStream ));
   for ( int i = 0; i < myTransportation->MyVehicles->Length; i++ )
   {
      Console::WriteLine( myTransportation->MyVehicles[ i ]->id );
   }
}

int main()
{
   SerializeObject( "XmlArrayItem1.xml" );
   DeserializeObject( "XmlArrayItem1.xml" );
}

using System;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

public class Vehicle
{
   public string id;
}
public class Car:Vehicle
{
   public string Maker;
}

public class Transportation
{
   [XmlArrayItem(),
   XmlArrayItem(typeof(Car), ElementName = "Automobile")]
   public Vehicle[] MyVehicles;
}

public class Run
{
   public static void Main()
   {
      Run test = new Run();
      test.SerializeObject("XmlArrayItem1.xml");
      test.DeserializeObject("XmlArrayItem1.xml");
   }

   private void SerializeObject(string filename){
      // Creates an XmlSerializer for the Transportation class.
      XmlSerializer MySerializer = new XmlSerializer(typeof(Transportation));

      // Writing the XML file to disk requires a TextWriter.
      TextWriter myTextWriter = new StreamWriter(filename);

      // Creates the object to serialize.
      Transportation myTransportation = new Transportation();

      // Creates objects to add to the array.
      Vehicle myVehicle= new Vehicle() ;
      myVehicle.id = "A12345";

      Car myCar = new Car();
      myCar.id = "Car 34";
      myCar.Maker = "FamousCarMaker";

      myTransportation.MyVehicles =
      new Vehicle[2] {myVehicle, myCar};

      // Serializes the object, and closes the StreamWriter.
      MySerializer.Serialize(myTextWriter, myTransportation);
      myTextWriter.Close();
   }

   private void DeserializeObject(string filename)
   {
      // Creates an XmlSerializer instance.
      XmlSerializer mySerializer = new XmlSerializer(typeof(Transportation));
      FileStream myFileStream = new FileStream(filename,FileMode.Open);
      Transportation myTransportation =
      (Transportation) mySerializer.Deserialize(myFileStream);

      for(int i = 0; i < myTransportation.MyVehicles.Length;i++)
      {
         Console.WriteLine(myTransportation.MyVehicles[i].id);
      }
   }
 }

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml
Imports System.Xml.Serialization


Public Class Vehicle
    Public id As String
End Class

Public Class Car
    Inherits Vehicle
    Public Maker As String
End Class

Public Class Transportation
    <XmlArrayItem(), _
     XmlArrayItem(GetType(Car), ElementName := "Automobile")> _
    Public MyVehicles() As Vehicle
End Class


Public Class Run
    
    Public Shared Sub Main()
        Dim test As New Run()
        test.SerializeObject("XmlArrayItem1.xml")
        test.DeserializeObject("XmlArrayItem1.xml")
    End Sub
    
    
    Private Sub SerializeObject(ByVal filename As String)
        ' Creates an XmlSerializer for the Transportation class. 
        Dim MySerializer As New XmlSerializer(GetType(Transportation))
        
        ' Writing the XML file to disk requires a TextWriter.
        Dim myTextWriter As New StreamWriter(filename)
        
        ' Creates the object to serialize.
        Dim myTransportation As New Transportation()
        
        ' Creates objects to add to the array.
        Dim myVehicle As New Vehicle()
        myVehicle.id = "A12345"
        
        Dim myCar As New Car()
        myCar.id = "Car 34"
        myCar.Maker = "FamousCarMaker"
        
        myTransportation.MyVehicles = New Vehicle() {myVehicle, myCar}
        
        ' Serializes the object, and closes the StreamWriter.
        MySerializer.Serialize(myTextWriter, myTransportation)
        myTextWriter.Close()
    End Sub
    
    
    Private Sub DeserializeObject(ByVal filename As String)
        ' Create an XmlSerializer instance.
        Dim mySerializer As New XmlSerializer(GetType(Transportation))
        Dim myFileStream As New FileStream(filename, FileMode.Open)
        Dim myTransportation As Transportation = _
            CType(mySerializer.Deserialize(myFileStream), Transportation)
        
        Dim i As Integer
        For i = 0 To myTransportation.MyVehicles.Length - 1
            Console.WriteLine(myTransportation.MyVehicles(i).id)
        Next i
    End Sub
End Class

Gilt für

XmlArrayItemAttribute(String)

Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse und gibt den Namen des im XML-Dokument generierten XML-Elements an.

public:
 XmlArrayItemAttribute(System::String ^ elementName);

public XmlArrayItemAttribute (string elementName);

public XmlArrayItemAttribute (string? elementName);

new System.Xml.Serialization.XmlArrayItemAttribute : string -> System.Xml.Serialization.XmlArrayItemAttribute

Public Sub New (elementName As String)

Parameter

elementName: String

Der Name des XML-Elements.

Beispiele

Im folgenden Beispiel wird eine Klasse mit dem Namen Transportation eines Felds MyVehicles serialisiert, das ein Array von Vehicle Objekten zurückgibt. Das Beispiel wendet das XmlArrayItemAttribute Feld an, sodass instanzen XmlSerializer der Car Klasse eingefügt werden können, die von der Vehicle Klasse abgeleitet werden, in das Array. Beim Anwenden des Attributs legt das Beispiel die ElementName Eigenschaft mithilfe des elementName Parameters fest.

#using <System.Xml.dll>
#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Xml::Serialization;

public ref class Vehicle
{
public:
   String^ id;
};

public ref class Car: public Vehicle
{
public:
   String^ Maker;
};

public ref class Transportation
{
public:

   [XmlArrayItem(ElementName="Transportation"),
   XmlArrayItem(Car::typeid,ElementName="Automobile")]
   array<Vehicle^>^MyVehicles;
};

void SerializeObject( String^ filename )
{
   // Creates an XmlSerializer for the Transportation class.
   XmlSerializer^ MySerializer = gcnew XmlSerializer( Transportation::typeid );

   // Writing the XML file to disk requires a TextWriter.
   TextWriter^ myTextWriter = gcnew StreamWriter( filename );
   Transportation^ myTransportation = gcnew Transportation;
   Vehicle^ myVehicle = gcnew Vehicle;
   myVehicle->id = "A12345";
   Car^ myCar = gcnew Car;
   myCar->id = "Car 34";
   myCar->Maker = "FamousCarMaker";
   array<Vehicle^>^myVehicles = {myVehicle,myCar};
   myTransportation->MyVehicles = myVehicles;

   // Serializes the object, and closes the StreamWriter.
   MySerializer->Serialize( myTextWriter, myTransportation );
   myTextWriter->Close();
}

void DeserializeObject( String^ filename )
{
   // Creates the serializer with the type to deserialize.
   XmlSerializer^ mySerializer = gcnew XmlSerializer( Transportation::typeid );
   FileStream^ myFileStream = gcnew FileStream( filename,FileMode::Open );
   Transportation^ myTransportation = dynamic_cast<Transportation^>(mySerializer->Deserialize( myFileStream ));
   for ( int i = 0; i < myTransportation->MyVehicles->Length; i++ )
   {
      Console::WriteLine( myTransportation->MyVehicles[ i ]->id );
   }
}

int main()
{
   SerializeObject( "XmlArrayItem2.xml" );
   DeserializeObject( "XmlArrayItem2.xml" );
}

using System;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

public class Vehicle
{
   public string id;
}
public class Car:Vehicle
{
   public string Maker;
}

public class Transportation
{
   [XmlArrayItem(ElementName = "Transportation"),
   XmlArrayItem(typeof(Car), ElementName = "Automobile")]
   public Vehicle[] MyVehicles;
}

public class Run
{
   public static void Main()
   {
      Run test= new Run();
      test.SerializeObject("XmlArrayItem2.xml");
      test.DeserializeObject("XmlArrayItem2.xml");
   }

   private void SerializeObject(string filename)
   {
      // Creates an XmlSerializer for the Transportation class.
      XmlSerializer MySerializer =
      new XmlSerializer(typeof(Transportation));

      // Writing the XML file to disk requires a TextWriter.
      TextWriter myTextWriter = new StreamWriter(filename);

      Transportation myTransportation = new Transportation();

      Vehicle myVehicle= new Vehicle() ;
      myVehicle.id = "A12345";

      Car myCar = new Car();
      myCar.id = "Car 34";
      myCar.Maker = "FamousCarMaker";

      Vehicle [] myVehicles = {myVehicle, myCar};
      myTransportation.MyVehicles = myVehicles;

      // Serializes the object, and closes the StreamWriter.
      MySerializer.Serialize(myTextWriter, myTransportation);
      myTextWriter.Close();
   }

   private void DeserializeObject(string filename)
   {
      // Creates the serializer with the type to deserialize.
      XmlSerializer mySerializer =
      new XmlSerializer(typeof(Transportation));
      FileStream myFileStream = new FileStream(filename,FileMode.Open);
      Transportation myTransportation =
      (Transportation) mySerializer.Deserialize(myFileStream);

      for(int i = 0;i < myTransportation.MyVehicles.Length;i++)
      {
         Console.WriteLine(myTransportation.MyVehicles[i].id);
      }
   }
}

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml
Imports System.Xml.Serialization


Public Class Vehicle
    Public id As String
End Class

Public Class Car
    Inherits Vehicle
    Public Maker As String
End Class

Public Class Transportation
    <XmlArrayItem(ElementName := "Transportation"), _
     XmlArrayItem(GetType(Car), ElementName := "Automobile")> _
    Public MyVehicles() As Vehicle
End Class

Public Class Run
    
    Public Shared Sub Main()
        Dim test As New Run()
        test.SerializeObject("XmlArrayItem2.xml")
        test.DeserializeObject("XmlArrayItem2.xml")
    End Sub    
    
    Private Sub SerializeObject(ByVal filename As String)
        ' Creates an XmlSerializer for the Transportation class.
        Dim MySerializer As New XmlSerializer(GetType(Transportation))
        
        ' Writing the XML file to disk requires a TextWriter.
        Dim myTextWriter As New StreamWriter(filename)
        
        Dim myTransportation As New Transportation()
        
        Dim myVehicle As New Vehicle()
        myVehicle.id = "A12345"
        
        Dim myCar As New Car()
        myCar.id = "Car 34"
        myCar.Maker = "FamousCarMaker"
        
        Dim myVehicles() As Vehicle = {myVehicle, myCar}
        myTransportation.MyVehicles = myVehicles
        
        ' Serializes the object, and closes the StreamWriter.
        MySerializer.Serialize(myTextWriter, myTransportation)
        myTextWriter.Close()
    End Sub
        
    Private Sub DeserializeObject(ByVal filename As String)
        ' Create the serializer with the type to deserialize.
        Dim mySerializer As New XmlSerializer(GetType(Transportation))
        Dim myFileStream As New FileStream(filename, FileMode.Open)
        Dim myTransportation As Transportation = _
            CType(mySerializer.Deserialize(myFileStream), Transportation)
        
        Dim i As Integer
        For i = 0 To myTransportation.MyVehicles.Length - 1
            Console.WriteLine(myTransportation.MyVehicles(i).id)
        Next i
    End Sub
End Class

Hinweise

Diese Überladung legt die ElementName Eigenschaft fest.

Verwenden Sie diese Überladung, wenn Der Name des generierten XML-Elements vom Bezeichner des Elements abweichen soll.

Ein XML-Dokument, das Namespaces enthält, kann mehrere Versionen eines Elementnamens enthalten. Ausführliche Informationen finden Sie unter der ElementName-Eigenschaft.

Gilt für

XmlArrayItemAttribute(Type)

Initialisiert eine Instanz der XmlArrayItemAttribute-Klasse und gibt den Type an, der in das serialisierte Array eingefügt werden kann.

public:
 XmlArrayItemAttribute(Type ^ type);

public XmlArrayItemAttribute (Type type);

public XmlArrayItemAttribute (Type? type);

new System.Xml.Serialization.XmlArrayItemAttribute : Type -> System.Xml.Serialization.XmlArrayItemAttribute

Public Sub New (type As Type)

Parameter

type: Type

Der Type des zu serialisierenden Objekts.

Beispiele

Im folgenden Beispiel wird eine Klasse mit dem Namen Transportation eines Felds MyVehicles serialisiert, das ein Array von Vehicle Objekten zurückgibt. Das Beispiel wendet das XmlArrayItemAttribute Feld an, sodass instanzen XmlSerializer der Car Klasse eingefügt werden können, die von der Vehicle Klasse abgeleitet werden, in das Array. Beim Anwenden des Attributs legt das Beispiel die Type Eigenschaft mithilfe des type Parameters fest.

#using <System.Xml.dll>
#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Xml::Serialization;

public ref class Vehicle
{
public:
   String^ id;
};

public ref class Car: public Vehicle
{
public:
   String^ Maker;
};

public ref class Transportation
{
public:

   [XmlArrayItem(Vehicle::typeid),
   XmlArrayItem(Car::typeid)]
   array<Vehicle^>^MyVehicles;
};

void SerializeObject( String^ filename )
{
   // Creates an XmlSerializer. 
   XmlSerializer^ MySerializer = gcnew XmlSerializer( Transportation::typeid );

   // Writing the XML file to disk requires a TextWriter.
   TextWriter^ myTextWriter = gcnew StreamWriter( filename );
   Transportation^ myTransportation = gcnew Transportation;
   Vehicle^ myVehicle = gcnew Vehicle;
   myVehicle->id = "A12345";
   Car^ myCar = gcnew Car;
   myCar->id = "Car 34";
   myCar->Maker = "FamousCarMaker";
   array<Vehicle^>^myVehicles = {myVehicle,myCar};
   myTransportation->MyVehicles = myVehicles;

   // Serializes the object, and closes the StreamWriter.
   MySerializer->Serialize( myTextWriter, myTransportation );
   myTextWriter->Close();
}

void DeserializeObject( String^ filename )
{
   // Creates the serializer with the type to deserialize.
   XmlSerializer^ mySerializer = gcnew XmlSerializer( Transportation::typeid );
   FileStream^ myFileStream = gcnew FileStream( filename,FileMode::Open );
   Transportation^ myTransportation = dynamic_cast<Transportation^>(mySerializer->Deserialize( myFileStream ));
   for ( int i = 0; i < myTransportation->MyVehicles->Length; i++ )
   {
      Console::WriteLine( myTransportation->MyVehicles[ i ]->id );
   }
}

int main()
{
   SerializeObject( "XmlArrayItem3.xml" );
   DeserializeObject( "XmlArrayItem3.xml" );
}

using System;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

public class Vehicle
{
   public string id;
}
public class Car:Vehicle
{
   public string Maker;
}

public class Transportation
{
   [XmlArrayItem(typeof(Vehicle)),
   XmlArrayItem(typeof(Car))]
   public Vehicle[] MyVehicles;
}

public class Run
{
   public static void Main()
   {
      Run test= new Run();
      test.SerializeObject("XmlArrayItem3.xml");
      test.DeserializeObject("XmlArrayItem3.xml");
   }

   private void SerializeObject(string filename)
   {
       // Creates an XmlSerializer.
      XmlSerializer MySerializer =
      new XmlSerializer(typeof(Transportation));

      // Writing the XML file to disk requires a TextWriter.
      TextWriter myTextWriter = new StreamWriter(filename);

      Transportation myTransportation = new Transportation();

      Vehicle myVehicle= new Vehicle() ;
      myVehicle.id = "A12345";

      Car myCar = new Car();
      myCar.id = "Car 34";
      myCar.Maker = "FamousCarMaker";

      Vehicle [] myVehicles = {myVehicle, myCar};
      myTransportation.MyVehicles = myVehicles;

      // Serializes the object, and closes the StreamWriter.
      MySerializer.Serialize(myTextWriter, myTransportation);
      myTextWriter.Close();
   }

   private void DeserializeObject(string filename)
   {
      // Creates the serializer with the type to deserialize.
      XmlSerializer mySerializer =
      new XmlSerializer(typeof(Transportation));
      FileStream myFileStream = new FileStream(filename,FileMode.Open);
      Transportation myTransportation =
      (Transportation) mySerializer.Deserialize(myFileStream);

      for(int i = 0;i < myTransportation.MyVehicles.Length;i++)
      {
         Console.WriteLine(myTransportation.MyVehicles[i].id);
      }
   }
}

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml
Imports System.Xml.Serialization


Public Class Vehicle
    Public id As String
End Class

Public Class Car
    Inherits Vehicle
    Public Maker As String
End Class

Public Class Transportation
    <XmlArrayItem(GetType(Vehicle)), _
     XmlArrayItem(GetType(Car))> _
    Public MyVehicles() As Vehicle
End Class


Public Class Run
    
    Public Shared Sub Main()
        Dim test As New Run()
        test.SerializeObject("XmlArrayItem3.xml")
        test.DeserializeObject("XmlArrayItem3.xml")
    End Sub    
    
    Private Sub SerializeObject(ByVal filename As String)
        ' Creates an XmlSerializer object. 
        Dim MySerializer As New XmlSerializer(GetType(Transportation))
        
        ' Writing the XML file to disk requires a TextWriter.
        Dim myTextWriter As New StreamWriter(filename)
        
        Dim myTransportation As New Transportation()
        
        Dim myVehicle As New Vehicle()
        myVehicle.id = "A12345"
        
        Dim myCar As New Car()
        myCar.id = "Car 34"
        myCar.Maker = "FamousCarMaker"
        
        Dim myVehicles() As Vehicle =  {myVehicle, myCar}
        myTransportation.MyVehicles = myVehicles
        
        ' Serializes the object, and closes the StreamWriter.
        MySerializer.Serialize(myTextWriter, myTransportation)
        myTextWriter.Close()
    End Sub    
    
    Private Sub DeserializeObject(ByVal filename As String)
        ' Creates the serializer with the type to deserialize.
        Dim mySerializer As New XmlSerializer(GetType(Transportation))
        Dim myFileStream As New FileStream(filename, FileMode.Open)
        Dim myTransportation As Transportation = _
            CType(mySerializer.Deserialize(myFileStream), Transportation)
        
        Dim i As Integer
        For i = 0 To myTransportation.MyVehicles.Length - 1
            Console.WriteLine(myTransportation.MyVehicles(i).id)
        Next i
    End Sub
End Class

Gilt für

XmlArrayItemAttribute(String, Type)

Initialisiert eine neue Instanz der XmlArrayItemAttribute-Klasse und gibt den Namen des im XML-Dokument generierten XML-Elements sowie den Type an, der in das generierte XML-Dokument eingefügt werden kann.

public:
 XmlArrayItemAttribute(System::String ^ elementName, Type ^ type);

public XmlArrayItemAttribute (string elementName, Type type);

public XmlArrayItemAttribute (string? elementName, Type? type);

new System.Xml.Serialization.XmlArrayItemAttribute : string * Type -> System.Xml.Serialization.XmlArrayItemAttribute

Public Sub New (elementName As String, type As Type)

Parameter

elementName: String

Der Name des XML-Elements.

type: Type

Der Type des zu serialisierenden Objekts.

Beispiele

#using <System.Xml.dll>
#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Xml::Serialization;

public ref class Vehicle
{
public:
   String^ id;
};

public ref class Car: public Vehicle
{
public:
   String^ Maker;
};

public ref class Transportation
{
public:

   [XmlArray]
   [XmlArrayItem("Transport",Vehicle::typeid),
   XmlArrayItem("Automobile",Car::typeid)]
   array<Vehicle^>^MyVehicles;
};

void SerializeObject( String^ filename )
{
   // Creates an XmlSerializer for the Transportation class.
   XmlSerializer^ MySerializer = gcnew XmlSerializer( Transportation::typeid );

   // Writing the XML file to disk requires a TextWriter.
   TextWriter^ myTextWriter = gcnew StreamWriter( filename );
   Transportation^ myTransportation = gcnew Transportation;
   Vehicle^ myVehicle = gcnew Vehicle;
   myVehicle->id = "A12345";
   Car^ myCar = gcnew Car;
   myCar->id = "Car 34";
   myCar->Maker = "FamousCarMaker";
   array<Vehicle^>^myVehicles = {myVehicle,myCar};
   myTransportation->MyVehicles = myVehicles;

   // Serializes the object, and closes the StreamWriter.
   MySerializer->Serialize( myTextWriter, myTransportation );
   myTextWriter->Close();
}

void DeserializeObject( String^ filename )
{
   // Creates an XmlSerializer.
   XmlSerializer^ mySerializer = gcnew XmlSerializer( Transportation::typeid );
   FileStream^ myFileStream = gcnew FileStream( filename,FileMode::Open );
   Transportation^ myTransportation = dynamic_cast<Transportation^>(mySerializer->Deserialize( myFileStream ));
   for ( int i = 0; i < myTransportation->MyVehicles->Length; i++ )
   {
      Console::WriteLine( myTransportation->MyVehicles[ i ]->id );
   }
}

int main()
{
   SerializeObject( "XmlArrayItem4.xml" );
   DeserializeObject( "XmlArrayItem4.xml" );
}

using System;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

public class Vehicle
{
   public string id;
}
public class Car:Vehicle
{
   public string Maker;
}

public class Transportation
{
   [XmlArray]
   [XmlArrayItem("Transport", typeof(Vehicle)),
   XmlArrayItem("Automobile", typeof(Car))]
   public Vehicle[] MyVehicles;
}

public class Run
{
   public static void Main()
   {
      Run test= new Run();
      test.SerializeObject("XmlArrayItem4.xml");
      test.DeserializeObject("XmlArrayItem4.xml");
   }

   private void SerializeObject(string filename)
   {
       // Creates an XmlSerializer for the Transportation class.
      XmlSerializer MySerializer =
      new XmlSerializer(typeof(Transportation));

      // Writing the XML file to disk requires a TextWriter.
      TextWriter myTextWriter = new StreamWriter(filename);

      Transportation myTransportation = new Transportation();

      Vehicle myVehicle= new Vehicle() ;
      myVehicle.id = "A12345";

      Car myCar = new Car();
      myCar.id = "Car 34";
      myCar.Maker = "FamousCarMaker";

      Vehicle [] myVehicles = {myVehicle, myCar};
      myTransportation.MyVehicles = myVehicles;

      // Serializes the object, and closes the StreamWriter.
      MySerializer.Serialize(myTextWriter, myTransportation);
      myTextWriter.Close();
   }

   private void DeserializeObject(string filename)
   {
      // Creates an XmlSerializer.
      XmlSerializer mySerializer =
      new XmlSerializer(typeof(Transportation));
      FileStream myFileStream = new FileStream(filename,FileMode.Open);
      Transportation myTransportation =
      (Transportation) mySerializer.Deserialize(myFileStream);

      for(int i = 0;i < myTransportation.MyVehicles.Length;i++)
      {
         Console.WriteLine(myTransportation.MyVehicles[i].id);
      }
   }
}

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml
Imports System.Xml.Serialization


Public Class Vehicle
    Public id As String
End Class

Public Class Car
    Inherits Vehicle
    Public Maker As String
End Class

Public Class Transportation
    <XmlArray(), _
     XmlArrayItem("Transport", GetType(Vehicle)), _
     XmlArrayItem("Automobile", GetType(Car))> _
    Public MyVehicles() As Vehicle
End Class


Public Class Run
    
    Public Shared Sub Main()
        Dim test As New Run()
        test.SerializeObject("XmlArrayItem4.xml")
        test.DeserializeObject("XmlArrayItem4.xml")
    End Sub    
    
    Private Sub SerializeObject(ByVal filename As String)
        ' Creates an XmlSerializer for the Transportation class.
        Dim MySerializer As New XmlSerializer(GetType(Transportation))
        
        ' Writing the XML file to disk requires a TextWriter.
        Dim myTextWriter As New StreamWriter(filename)
        
        Dim myTransportation As New Transportation()
        
        Dim myVehicle As New Vehicle()
        myVehicle.id = "A12345"
        
        Dim myCar As New Car()
        myCar.id = "Car 34"
        myCar.Maker = "FamousCarMaker"
        
        Dim myVehicles() As Vehicle =  {myVehicle, myCar}
        myTransportation.MyVehicles = myVehicles
        
        ' Serializes the object, and closes the StreamWriter.
        MySerializer.Serialize(myTextWriter, myTransportation)
        myTextWriter.Close()
    End Sub    
    
    Private Sub DeserializeObject(ByVal filename As String)
        ' Creates an XmlSerializer.
        Dim mySerializer As New XmlSerializer(GetType(Transportation))
        Dim myFileStream As New FileStream(filename, FileMode.Open)
        Dim myTransportation As Transportation = _
            CType(mySerializer.Deserialize(myFileStream), Transportation)
        
        Dim i As Integer
        For i = 0 To myTransportation.MyVehicles.Length - 1
            Console.WriteLine(myTransportation.MyVehicles(i).id)
        Next i
    End Sub
End Class

Hinweise

Diese Überladung legt die ElementName Eigenschaften und die Type Eigenschaften fest.

Verwenden Sie diese Überladung, wenn Der Name des generierten XML-Elements vom Bezeichner des Elements abweichen soll.

Ein XML-Dokument, das Namespaces enthält, kann mehrere Versionen eines Elementnamens enthalten. Ausführliche Informationen finden Sie unter der ElementName-Eigenschaft.

Gilt für

Freigeben über

XmlArrayItemAttribute Konstruktoren

Definition

Überlädt

XmlArrayItemAttribute()

Beispiele

Gilt für

XmlArrayItemAttribute(String)

Parameter

Beispiele

Hinweise

Gilt für

XmlArrayItemAttribute(Type)

Parameter

Beispiele

Gilt für

XmlArrayItemAttribute(String, Type)

Parameter

Beispiele

Hinweise

Gilt für

Zusätzliche Ressourcen