Dim doc As New XmlDocument()
doc.Load("MyXml.xml")
Dim nodereader As New XmlNodeReader(doc)
While nodereader.Read()
   ' Read the XmlDocument as a stream of XML.
End While

XmlDocument doc = new XmlDocument();
doc.Load("MyXml.xml");
XmlNodeReader nodereader = new XmlNodeReader (doc);
while (nodereader.Read()) {
    // Read the XmlDocument as a stream of XML.
}

<root>
   <child>
      Child Text
   </child>
</root>

Imports System
Imports System.Xml

Public Class Test
   
    Public Shared Sub Main()
        Dim doc As New XmlDocument()
        doc.Load("test.xml")
        Dim child As XmlNode = doc.SelectSingleNode("/root/child")
        If Not (child Is Nothing) Then
            Dim nr As New XmlNodeReader(child)
            While nr.Read()
                Console.WriteLine(nr.Value)
            End While
        End If
    End Sub 'Main
End Class 'Test

using System;
using System.Xml;
public class Test {
   public static void Main() {
      XmlDocument doc = new XmlDocument();
      doc.Load("test.xml");
      XmlNode child = doc.SelectSingleNode("/root/child");
      if (child != null) {
         XmlNodeReader nr = new XmlNodeReader(child );
         while (nr.Read() )
            Console.WriteLine( nr.Value );
      }
   }
}