public override void WriteStartElement(string prefix, string localName, string ns)
{
if (_wrapped == null)
{
// This is the first time WriteStartElement has been called, so create the Xml or Html writer
if (ns.Length == 0 && IsHtmlTag(localName))
{
CreateWrappedWriter(XmlOutputMethod.Html);
}
else
{
CreateWrappedWriter(XmlOutputMethod.Xml);
}
}
_wrapped.WriteStartElement(prefix, localName, ns);
}
/// <summary>
/// Check well-formedness, possibly output doc-type-decl, and determine whether this element is a
/// CData section element.
/// </summary>
public override void WriteStartElement(string?prefix, string localName, string?ns)
{
EndCDataSection();
if (_checkWellFormedDoc)
{
// Don't allow multiple document elements
if (_depth == 0 && _hasDocElem)
{
throw new XmlException(SR.Xml_NoMultipleRoots, string.Empty);
}
_depth++;
_hasDocElem = true;
}
// Output doc-type declaration immediately before first element is output
if (_outputDocType)
{
_wrapped.WriteDocType(
string.IsNullOrEmpty(prefix) ? localName : prefix + ":" + localName,
_publicId,
_systemId,
null);
_outputDocType = false;
}
_wrapped.WriteStartElement(prefix, localName, ns);
if (_lookupCDataElems != null)
{
// Determine whether this element is a CData section element
_qnameCData !.Init(localName, ns);
_bitsCData !.PushBit(_lookupCDataElems.ContainsKey(_qnameCData));
}
}
