Parameters
- BarsCount - How many bars used to show the line.
- BBperiod - Period of Bollinger Bands.
- BBdeviations - Deviations of Bollinger Bands.
- ATRperiod - Period of ATR.
- UseATRfilter - Use ATR for filter.
- AlertON - Pop up an alert.
- ShowArrows - Show arrows in case of any trend change.