just thought of an example..
//storing the range of previous candles, up to a maximum of last 100 candles
int numBars;
double Range[100];
if (Bars > 100) numBars=100; else numBars=Bars;
for (int n=0; n < numBars; n++) Range[n] = High[n] - Low[n];
//storing the range of previous candles, up to a maximum of last 100 candles
int numBars;
double Range[100];
if (Bars > 100) numBars=100; else numBars=Bars;
for (int n=0; n < numBars; n++) Range[n] = High[n] - Low[n];