private QueryResult queryInfoKey(Integer handle) {
		if (METHOD_QUERY_INFO == null) {
			METHOD_QUERY_INFO = getMethod(mRoot.getClass(), "WindowsRegQueryInfoKey1", int.class);
		}
		try {
			return new QueryResult((int[]) METHOD_QUERY_INFO.invoke(mRoot, new Object[] { handle }));
		} catch (Exception exception) {
			Log.error(exception);
			return new QueryResult();
		}
	}