for j :=ActiveChart.SeriesCollection.Count downto 1 do  //----series列表
    begin
      if (SeriesNameList.IndexOf(ActiveChart.SeriesCollection(j).Name)<=-1) then //-不是要分析的指标
        ActiveChart.SeriesCollection(j).Delete
      else if FXNameList.IndexOf(ActiveChart.SeriesCollection(j).Name) >=0 then //---找到了 横轴值
        ActiveChart.SeriesCollection(j).Delete;
    end;
错误提示:类chart的SeriesCollection方法无效!