gtk/print.go
func (po *PrintOperation) GetNPagesToPrint() int {
	c := C.gtk_print_operation_get_n_pages_to_print(po.native())
	return int(c)
}
func (po *PrintOperation) GetNPagesToPrint() int {
	c := C.gtk_print_operation_get_n_pages_to_print(po.native())
	return int(c)
}
// GetNPagesToPrint() is a wrapper around gtk_print_operation_get_n_pages_to_print().