private static int PlayGroupTween(IntPtr L)
    {
        int result;

        try
        {
            ToLua.CheckArgsCount(L, 4);
            GameObject  go         = (GameObject)ToLua.CheckUnityObject(L, 1, typeof(GameObject));
            int         tweenGroup = (int)LuaDLL.luaL_checknumber(L, 2);
            bool        isForward  = LuaDLL.luaL_checkboolean(L, 3);
            LuaFunction luafunc    = ToLua.CheckLuaFunction(L, 4);
            TweenUtil.PlayGroupTween(go, tweenGroup, isForward, luafunc);
            result = 0;
        }
        catch (Exception e)
        {
            result = LuaDLL.toluaL_exception(L, e, null);
        }
        return(result);
    }