IHasXmlNode Interface

 

Enables a class to return an XmlNode from the current context or position.

Namespace:   System.Xml
Assembly:  System.Xml (in System.Xml.dll)

public interface class IHasXmlNode

NameDescription
System_CAPS_pubmethodGetNode()

Returns the XmlNode for the current position.

The IHasXmlNode interface provides an interface that enables a class to return an XmlNode from the current context or position. It is implemented by XPathNavigator objects that operate over classes that have XmlNode nodes. For example, if the XPathNavigator object is created by an XmlDocument, you can use the GetNode method to return the XmlNode representing the current position of the navigator.

The following example uses the GetNode method to retrieve and modify the selected node.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Xml::XPath;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->Load( "books.xml" );

   // Create an XPathNavigator and select all books by Plato.
   XPathNavigator^ nav = doc->CreateNavigator();
   XPathNodeIterator^ ni = nav->Select("descendant::book[author/name='Plato']");
   ni->MoveNext();

   // Get the first matching node and change the book price.
   XmlNode^ book = dynamic_cast<IHasXmlNode^>(ni->Current)->GetNode();
   book->LastChild->InnerText = "12.95";
   Console::WriteLine( book->OuterXml );
}

The example uses the file books.xml as input.

<bookstore>
  <book genre="autobiography" publicationdate="1981" ISBN="1-861003-11-0">
    <title>The Autobiography of Benjamin Franklin</title>
    <author>
      <first-name>Benjamin</first-name>
      <last-name>Franklin</last-name>
    </author>
    <price>8.99</price>
  </book>
  <book genre="novel" publicationdate="1967" ISBN="0-201-63361-2">
    <title>The Confidence Man</title>
    <author>
      <first-name>Herman</first-name>
      <last-name>Melville</last-name>
    </author>
    <price>11.99</price>
  </book>
  <book genre="philosophy" publicationdate="1991" ISBN="1-861001-57-6">
    <title>The Gorgias</title>
    <author>
      <name>Plato</name>
    </author>
    <price>9.99</price>
  </book>
</bookstore>

.NET Framework
Available since 1.1
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