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XDocumentType Constructor (String, String, String, String)

Initializes an instance of the XDocumentType class.

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

public:
XDocumentType(
	String^ name, 
	String^ publicId, 
	String^ systemId, 
	String^ internalSubset
)

Parameters

name
Type: System::String

A String that contains the qualified name of the DTD, which is the same as the qualified name of the root element of the XML document.

publicId
Type: System::String

A String that contains the public identifier of an external public DTD.

systemId
Type: System::String

A String that contains the system identifier of an external private DTD.

internalSubset
Type: System::String

A String that contains the internal subset for an internal DTD.

The following example creates a document with an internal DTD. When it creates the XDocumentType object, it specifies the qualified name of the DTD (Pubs), and a string that contains the internal subset. Because the document does not use a public or private external DTD, the publicId and systemId are set to nullptr.

No code example is currently available or this language may not be supported.

This example produces the following output:

<!--This is a comment.-->
<?xml-stylesheet href="mystyle.css" title="Compact" type="text/css"?>
<!DOCTYPE Pubs [<!ELEMENT Pubs (Book+)>
<!ELEMENT Book (Title, Author)>
<!ELEMENT Title (#PCDATA)>
<!ELEMENT Author (#PCDATA)>]>
<Pubs>
  <Book>
    <Title>Artifacts of Roman Civilization</Title>
    <Author>Moreno, Jordao</Author>
  </Book>
  <Book>
    <Title>Midieval Tools and Implements</Title>
    <Author>Gazit, Inbar</Author>
  </Book>
</Pubs>
<!--This is another comment.-->

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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