InternalSubset Property
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XDocumentType.InternalSubset Property

Gets or sets the internal subset for this Document Type Definition (DTD).

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

public string InternalSubset { get; set; }

Property Value

Type: System.String
A String that contains the internal subset for this Document Type Definition (DTD).

The following example creates a document with a DTD that contains an internal subset.

    StringBuilder output = new StringBuilder();
    string internalSubset = @"<!ELEMENT Pubs (Book+)>
<!ELEMENT Book (Title, Author)>
<!ELEMENT Author (#PCDATA)>";

    string target = "xml-stylesheet";
    string data = "href=\"mystyle.css\" title=\"Compact\" type=\"text/css\"";

    XDocument doc = new XDocument(
        new XComment("This is a comment."),
        new XProcessingInstruction(target, data),
        new XDocumentType("Pubs", null, null, internalSubset),
        new XElement("Pubs",
            new XElement("Book",
                new XElement("Title", "Artifacts of Roman Civilization"),
                new XElement("Author", "Moreno, Jordao")
            new XElement("Book",
                new XElement("Title", "Midieval Tools and Implements"),
                new XElement("Author", "Gazit, Inbar")
        new XComment("This is another comment.")
    doc.Declaration = new XDeclaration("1.0", "utf-8", "true");

    output.Append(doc.DocumentType.InternalSubset + Environment.NewLine);

    OutputTextBlock.Text = output.ToString();


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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