if (buys > 0) 
   {
      bAvg = NormalizeDouble(bMV / blots, Digits);
      ObjectCreate("SLb", OBJ_ARROW, 0, Time[0], bAvg, 0, 0, 0, 0);
      ObjectSet("SLb", OBJPROP_ARROWCODE, SYMBOL_RIGHTPRICE);
      ObjectSet("SLb", OBJPROP_COLOR, Blue);//买方均价蓝色备注框
   }

帮助文件如下，