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Writes out the XML declaration with the version "1.0". The encoding attribute is determined by the implementation of IXmlWriterOutput. By default, the encoding is UTF-8.

HRESULT WriteStartDocument (XmlStandalone standalone);


If XmlStandalone_Omit does not write a standalone attribute in the XML declaration, one of the following occurs:

  • If XmlStandalone_No, the writer writes standalone="no".

  • If XmlStandalone_Yes, the writer writes standalone="yes".

Returns S_OK if no error is generated.

The following shows the use of WriteStartDocument:

if (FAILED(hr = pWriter->WriteStartDocument(XmlStandalone_Omit)))
    wprintf(L"Error, Method: WriteStartDocument, error is %08.8lx", hr);
    return -1;

Caling WriteStartDocument is the same as calling WriteProcessingInstruction passing a name of "xml" as an argument. Therefore, a program cannot successfully call both WriteStartDocument and WriteProcessingInstruction passing the name "xml" for the same document. It is valid to call WriteStartDocument and WriteProcessingInstruction for processing instructions that have a name other than the name "xml".

For a more detailed example of theWriteStartDocument method, see Writing an XML Document Using XmlLite.

Header: XmlLite.h

Library: XmlLite.lib

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