/// <summary>
        /// Displays the range countdown of a bar.
        /// </summary>
        /// <returns></returns>
        public RangeCounter RangeCounter(Data.IDataSeries input, bool countDown)
        {
            if (cacheRangeCounter != null)
            {
                for (int idx = 0; idx < cacheRangeCounter.Length; idx++)
                {
                    if (cacheRangeCounter[idx].CountDown == countDown && cacheRangeCounter[idx].EqualsInput(input))
                    {
                        return(cacheRangeCounter[idx]);
                    }
                }
            }

            lock (checkRangeCounter)
            {
                checkRangeCounter.CountDown = countDown;
                countDown = checkRangeCounter.CountDown;

                if (cacheRangeCounter != null)
                {
                    for (int idx = 0; idx < cacheRangeCounter.Length; idx++)
                    {
                        if (cacheRangeCounter[idx].CountDown == countDown && cacheRangeCounter[idx].EqualsInput(input))
                        {
                            return(cacheRangeCounter[idx]);
                        }
                    }
                }

                RangeCounter indicator = new RangeCounter();
                indicator.BarsRequired        = BarsRequired;
                indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
                indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
                indicator.MaximumBarsLookBack         = MaximumBarsLookBack;
#endif
                indicator.Input     = input;
                indicator.CountDown = countDown;
                Indicators.Add(indicator);
                indicator.SetUp();

                RangeCounter[] tmp = new RangeCounter[cacheRangeCounter == null ? 1 : cacheRangeCounter.Length + 1];
                if (cacheRangeCounter != null)
                {
                    cacheRangeCounter.CopyTo(tmp, 0);
                }
                tmp[tmp.Length - 1] = indicator;
                cacheRangeCounter   = tmp;
                return(indicator);
            }
        }
        /// <summary>
        /// Displays the range countdown of a bar.
        /// </summary>
        /// <returns></returns>
        public RangeCounter RangeCounter(Data.IDataSeries input, bool countDown)
        {
            if (cacheRangeCounter != null)
                for (int idx = 0; idx < cacheRangeCounter.Length; idx++)
                    if (cacheRangeCounter[idx].CountDown == countDown && cacheRangeCounter[idx].EqualsInput(input))
                        return cacheRangeCounter[idx];

            lock (checkRangeCounter)
            {
                checkRangeCounter.CountDown = countDown;
                countDown = checkRangeCounter.CountDown;

                if (cacheRangeCounter != null)
                    for (int idx = 0; idx < cacheRangeCounter.Length; idx++)
                        if (cacheRangeCounter[idx].CountDown == countDown && cacheRangeCounter[idx].EqualsInput(input))
                            return cacheRangeCounter[idx];

                RangeCounter indicator = new RangeCounter();
                indicator.BarsRequired = BarsRequired;
                indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
                indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
                indicator.MaximumBarsLookBack = MaximumBarsLookBack;
#endif
                indicator.Input = input;
                indicator.CountDown = countDown;
                Indicators.Add(indicator);
                indicator.SetUp();

                RangeCounter[] tmp = new RangeCounter[cacheRangeCounter == null ? 1 : cacheRangeCounter.Length + 1];
                if (cacheRangeCounter != null)
                    cacheRangeCounter.CopyTo(tmp, 0);
                tmp[tmp.Length - 1] = indicator;
                cacheRangeCounter = tmp;
                return indicator;
            }
        }