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XDocument.Declaration Property

Gets or sets the XML declaration for this document.

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

member Declaration : XDeclaration with get, set

Property Value

Type: System.Xml.Linq.XDeclaration
An XDeclaration that contains the XML declaration for this document.

Sometimes you have to create an XML declaration for a document. If you want to indicate that a document is standalone, you must use this property. If you want to encode your document with an encoding other than utf-8, you can specify an encoding through the XDeclaration. Another approach for encoding a document is to specify the encoding on an XmlWriter that you pass to LINQ to XML for writing.

The following example uses this property to retrieve the XML declaration of a document.

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

This example produces the following output:

<?xml version="1.0" encoding="utf-8" standalone="yes"?>

.NET Framework

Supported in: 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 Silverlight 8.1, Windows Phone Silverlight 8

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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