func FileChooserDialogNewWith1Button(
	title string,
	parent *Window,
	action FileChooserAction,
	first_button_text string,
	first_button_id ResponseType) (*FileChooserDialog, error) {
	c_title := C.CString(title)
	defer C.free(unsafe.Pointer(c_title))
	c_first_button_text := C.CString(first_button_text)
	defer C.free(unsafe.Pointer(c_first_button_text))
	c := C.gtk_file_chooser_dialog_new_1(
		(*C.gchar)(c_title), parent.native(), C.GtkFileChooserAction(action),
		(*C.gchar)(c_first_button_text), C.int(first_button_id))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapFileChooserDialog(obj), nil
}
func FileChooserDialogNewWith1Button(
	title string,
	parent *Window,
	action FileChooserAction,
	first_button_text string,
	first_button_id ResponseType) (*FileChooserDialog, error) {
	c_title := C.CString(title)
	defer C.free(unsafe.Pointer(c_title))
	c_first_button_text := C.CString(first_button_text)
	defer C.free(unsafe.Pointer(c_first_button_text))
	c := C.gtk_file_chooser_dialog_new_1(
		(*C.gchar)(c_title), parent.native(), C.GtkFileChooserAction(action),
		(*C.gchar)(c_first_button_text), C.int(first_button_id))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapFileChooserDialog(obj), nil
}
// FileChooserDialogNewWith1Button is a wrapper around gtk_file_chooser_dialog_new() with one button.