XmlWriter Class (System.Xml)

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XmlWriter Class
Represents a writer that provides a fast, non-cached, forward-only means of generating streams or files containing XML data.

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

Syntax
Visual Basic (Declaration)
Public MustInherit Class XmlWriter
	Implements IDisposable
Visual Basic (Usage)
Dim instance As XmlWriter
C#
public abstract class XmlWriter : IDisposable
C++
public ref class XmlWriter abstract : IDisposable
J#
public abstract class XmlWriter implements IDisposable
JScript
public abstract class XmlWriter implements IDisposable
XAML
Not applicable.
Remarks

The XmlWriter class supports the W3C Extensible Markup Language (XML) 1.0 and the Namespaces in XML recommendations.

NoteNote:

Although the Microsoft .NET Framework includes the XmlTextWriter class, which is an implementation of the XmlWriter class, in the 2.0 release, it is recommended that you use the Create method to create new XmlWriter objects. The Create method allows you to specify the features to support on the created XmlWriter object, and it also allows you to take full advantage of the new features introduced in the 2.0 release.

NoteNote:

When you use the XmlWriter methods to output XML, the elements and attributes will not be written until you call the Close method. For example, if you are using the XmlWriter to populate an XmlDocument, until you close the XmlWriter, you will not be able to observe the written elements and attributes in the target document.

For more information about the XmlWriter class, see Writing XML with the XmlWriter.

Security Considerations

The following items are things to consider when working with the XmlWriter class.

  • Exceptions thrown by the XmlWriter can disclose path information that you do not want bubbled up to the application. Your applications must catch exceptions and process them appropriately.

  • The XmlWriter does not validate any data that is passed to the WriteDocType or WriteRaw methods. You should not pass arbitrary data to these methods.

Inheritance Hierarchy
System.Object
  System.Xml.XmlWriter
     System.Xml.XmlDictionaryWriter
     System.Xml.XmlTextWriter
     System.Xml.Xsl.Runtime.XmlQueryOutput
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Platforms

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

Version Information

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0
See Also