void ScDataProviderBaseControl::LoadSourceFileStructure(const OUString& rPath)
{
    ScOrcusFilters* pOrcus = ScFormatFilter::Get().GetOrcusFilters();
    if (!pOrcus)
        return;
    mpXMLContext.reset(pOrcus->createXMLContext(*mpDoc, rPath));
    if (!mpXMLContext)
        return;
    mpXMLContext->loadXMLStructure(*mpLbTree, maXMLParam);
}