Vars
    series<string> result;
    plot pen;
    series<numeric> reference_price;
    numeric spread;


Events

    OnBar(ArrayRef<Integer> indexs)
    {

        result = GetPlotstringValue("TBturn2","顶底");
        If(result == "-") result = result[1];
        If(result[1] <> result[2]) reference_price = open;
        If(result == "1强底")
        {
            pen.setOption("顶底", "color", red);
            pen.setOption("spread", "color", red);
            spread = (close - reference_price)/minmove/pricescale;
        }
        If(result == "3强顶")
        {
            pen.setOption("顶底", "color", Green);
            pen.setOption("spread", "color", Green);
            spread = (reference_price - close)/minmove/pricescale;
        }

        pen.text("顶底",open,result);
        pen.hide("顶底");
        pen.line("spread",spread);
        pen.hide("spread");
    }