private File lastOpenDirectory() {
		final String dirName = appPref().get(LAST_OPEN_DIRECTORY_PREF, null);
		return dirName != null ? new File(dirName) : null;
	}
This method is called from within the constructor to initialize the form.
WARNING: Do NOT modify this code. The content of this method is always
regenerated by the Form Editor.
jenetics.example/src/main/java/io/jenetics/example/image/EvolvingImages.java