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XmlDocumentType.InternalSubset Property

Gets the value of the document type definition (DTD) internal subset on the DOCTYPE declaration.

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

public string InternalSubset { get; }

Property Value

Type: System.String
The DTD internal subset on the DOCTYPE. If there is no DTD internal subset, String.Empty is returned.

The following example displays information about the DocumentType node.

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

public class Sample
{
  public static void Main()
  {
    // Create the XmlDocument.
    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<!DOCTYPE book [<!ENTITY h 'hardcover'>]>" +
                "<book genre='novel' ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "<style>&h;</style>" +
                "</book>");

    // Display information on the DocumentType node.
    XmlDocumentType doctype = doc.DocumentType;
    Console.WriteLine("Name of the document type:  {0}", doctype.Name);
    Console.WriteLine("The internal subset of the document type:  {0}", doctype.InternalSubset);

  }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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