fdf_get_version Gets version number for FDF API or file &reftitle.description; stringfdf_get_version resourcefdf_document Return the FDF version for the given document, or the toolkit API version number if no parameter is given. &reftitle.parameters; fdf_document The FDF document handle, returned by fdf_create, fdf_open or fdf_open_string. &reftitle.returnvalues; Returns the version as a string. For the current FDF toolkit 5.0 the API version number is 5.0 and the document version number is either 1.2, 1.3 or 1.4. &reftitle.seealso; fdf_set_version