gtk-print-job-set-source-file (job filename)

job -- a gtk-print-job object
filename -- a string with the file name to be printed

False if an error occurred.

Make the print job send an existing document to the printing system. The file can be in any format understood by the platforms printing system, typically PostScript, but on many platforms PDF may work too. See the gtk-printer-accepts-pdf and gtk-printer-accepts-ps functions.