public void GetStatusLogPlottableIndex()
        {
            // GetStatusLogPlottableIndex(ref object pvarIndex, ref object pvarValues, ref int pnArraySize);
            object pvarIndex   = null;
            object pvarValues  = null;
            int    pnArraySize = 0;

            _rawConnection.GetStatusLogPlottableIndex(ref pvarIndex, ref pvarValues, ref pnArraySize);
        }