Developer's DescriptionBy BJF Trading GroupIndicate the highest high and lowest low values of the bar's shadows for the last N bars.i-HighLow indicator draws the channel with borders correspond to highest high and lowest low values of the bar's shadows for the last N bars. Indicators' parameters are: extern int N = 20; - searching of highest/lowest bars for the last 20 bars and extern int N2 = 5; - drawing the borders with 5 points offset by price axis.