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XmlWriter.WriteStartDocument Method (Boolean)

When overridden in a derived class, writes the XML declaration with the version "1.0" and the standalone attribute.

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

public abstract void WriteStartDocument (
	bool standalone
)
public abstract void WriteStartDocument (
	boolean standalone
)
public abstract function WriteStartDocument (
	standalone : boolean
)
Not applicable.

Parameters

standalone

If true, it writes "standalone=yes"; if false, it writes "standalone=no".

Exception typeCondition

InvalidOperationException

This is not the first write method called after the constructor.

The encoding level of the document is determined by how the writer is implemented. For example, if an Encoding object is specified in the XmlTextWriter constructor, this determines the value of the encoding attribute.

When WriteStartDocument is called, the writer validates that what you are writing is a well-formed XML document. For example, it checks that the XML declaration is the first node, that one and only one root-level element exists, and so on. If this method is not called, the writer assumes an XML fragment is being written and applies no root level rules.

If WriteStartDocument has been called and then the WriteProcessingInstruction method is used to create another XML declaration, an exception will be thrown.

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.

.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
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