gtk/print.go
func (po *PrintOperation) SetShowProgress(show bool) {
	C.gtk_print_operation_set_show_progress(po.native(), gbool(show))
}
func (po *PrintOperation) SetShowProgress(show bool) {
	C.gtk_print_operation_set_show_progress(po.native(), gbool(show))
}
// SetShowProgress() is a wrapper around gtk_print_operation_set_show_progress().