Aspose::Words::Saving::HtmlSaveOptions::get_MetafileFormat method. Specifies in what format metafiles are saved when exporting to HTML, MHTML, or EPUB. Default value is Png, meaning that metafiles are rendered to raster PNG images in C++....Metafiles are not natively displayed by HTML browsers. By default...are to convert metafiles to SVG images or to export them as is...