XmlAttributeCollection.Prepend(XmlAttribute) Metoda

Definicja

Przestrzeń nazw:

System.Xml

Zestawy:

System.Xml.dll, System.Xml.XmlDocument.dll

Zestaw:

System.Xml.ReaderWriter.dll

Zestaw:

System.Xml.XmlDocument.dll

Zestaw:

System.Xml.dll

Zestaw:

netstandard.dll

Wstawia określony atrybut jako pierwszy węzeł w kolekcji.

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

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

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

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

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

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

Public Function Prepend (node As XmlAttribute) As XmlAttribute

Public Overridable Function Prepend (node As XmlAttribute) As XmlAttribute

Parametry

node

XmlAttribute

Atrybut do wstawienia.

Zwraca

XmlAttribute

Element XmlAttribute dodany do kolekcji.

Przykłady

Poniższy przykład dodaje nowy atrybut do dokumentu.

#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

Uwagi

Jeśli atrybut o tej samej nazwie już istnieje w kolekcji, oryginalny atrybut zostanie usunięty z kolekcji i node dodany na początku kolekcji.

Ta metoda jest rozszerzeniem firmy Microsoft do modelu obiektów dokumentów (DOM).