Aspose::Words::Fields::FieldBibliography::set_FilterLanguageId method. Sets the language ID that is used to filter the bibliographic data to only the sources in the document that use that language in C++....Aspose::Words::Fields::FieldBibliography::set_FilterLanguageId method. Sets the language ID that is used to filter the bibliographic data to only the sources in the document that use that language in C++.