public static int GetInScopeNamespaces(XPathNode[] pageElem, int idxElem, out XPathNode[] pageNmsp)
{
if (pageElem[idxElem].NodeType == XPathNodeType.Element)
{
XPathDocument document = pageElem[idxElem].Document;
while (!pageElem[idxElem].HasNamespaceDecls)
{
idxElem = pageElem[idxElem].GetParent(out pageElem);
if (idxElem == 0)
{
return(document.GetXmlNamespaceNode(out pageNmsp));
}
}
return(document.LookupNamespaces(pageElem, idxElem, out pageNmsp));
}
pageNmsp = null;
return(0);
}