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++....are saved when exporting to HTML, MHTML, or EPUB. Default value...are not natively displayed by HTML browsers. By default, Aspose...