gtk/print.go
func (po *PrintOperation) SetPrintSettings(ps *PrintSettings) {
	C.gtk_print_operation_set_print_settings(po.native(), ps.native())
}
func (po *PrintOperation) SetPrintSettings(ps *PrintSettings) {
	C.gtk_print_operation_set_print_settings(po.native(), ps.native())
}
// SetPrintSettings() is a wrapper around gtk_print_operation_set_print_settings().