public void get_grp_info()                                  //获得刀具组的信息
        {
            short start  = 1;                                       //开始的刀具组
            short end    = 3;                                       //结束的刀具组
            short length = Convert.ToInt16(8 + 16 * (end - start)); //
            short ret    = Fanuc.cnc_rdgrpinfo(Fanuc.h, start, end, length, btgi);

            if (ret == 0)
            {
                listBox1.Items.Add(btgi.data.data1.count_value);
            }
        }