XmlAttributeCollection.Prepend(XmlAttribute) Méthode

Définition

Espace de noms:

System.Xml

Assembly:

System.Xml.ReaderWriter.dll

Source:

XmlAttributeCollection.cs

Insère l'attribut spécifié en tant que premier nœud de la collection.

public:
 System::Xml::XmlAttribute ^ Prepend(System::Xml::XmlAttribute ^ node);

public System.Xml.XmlAttribute Prepend (System.Xml.XmlAttribute node);

member this.Prepend : System.Xml.XmlAttribute -> System.Xml.XmlAttribute

Public Function Prepend (node As XmlAttribute) As XmlAttribute

Paramètres

node

XmlAttribute

Attribut à insérer.

Retours

XmlAttribute

XmlAttribute ajouté à la collection.

Exemples

L’exemple suivant ajoute un nouvel attribut à un document.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->LoadXml( "<book ISBN='1-861001-57-5'><title>Pride And Prejudice</title></book>" );
   
   //Create a new attribute.
   XmlAttribute^ newAttr = doc->CreateAttribute( "genre" );
   newAttr->Value = "novel";
   
   //Create an attribute collection and add the new attribute
   //to the collection.
   XmlAttributeCollection^ attrColl = doc->DocumentElement->Attributes;
   attrColl->Prepend( newAttr );
   Console::WriteLine( "Display the modified XML...\r\n" );
   Console::WriteLine( doc->OuterXml );
}

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

public class Sample
{
  public static void Main(){

    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");

    //Create a new attribute.
    XmlAttribute newAttr = doc.CreateAttribute("genre");
    newAttr.Value = "novel";

    //Create an attribute collection and add the new attribute
    //to the collection.
    XmlAttributeCollection attrColl = doc.DocumentElement.Attributes;
    attrColl.Prepend(newAttr);

    Console.WriteLine("Display the modified XML...\r\n");
    Console.WriteLine(doc.OuterXml);
  }
}

Imports System.IO
Imports System.Xml

public class Sample

  public shared sub Main()
  
    Dim doc as XmlDocument = new XmlDocument()
    doc.LoadXml("<book ISBN='1-861001-57-5'>" & _
                "<title>Pride And Prejudice</title>" & _
                "</book>")      

    'Create a new attribute.
    Dim newAttr as XmlAttribute = doc.CreateAttribute("genre")
    newAttr.Value = "novel"

    'Create an attribute collection and add the new attribute
    'to the collection.  
    Dim attrColl as XmlAttributeCollection = doc.DocumentElement.Attributes
    attrColl.Prepend(newAttr)

    Console.WriteLine("Display the modified XML...")
    Console.WriteLine(doc.OuterXml)

  end sub
end class

Remarques

Si un attribut portant le même nom est déjà présent dans la collection, l’attribut d’origine est supprimé de la collection et node est ajouté au début de la collection.

Cette méthode est une extension Microsoft du dom (Document Object Model).