Hi Yeray, it is working if I change the series DateValues.Order to some value other than loNone. The bug is that adding a tool to the chart in the Chart Designer switches the DateValues.Order to loNone again. Which of course can be fixed again by changing the loNone value again to loAscending or loD...

I figured out, that it is not working because the line ...
if CalcVisiblePoints and (NotMandatoryValueList.Order<>loNone) then
... in FMXTee.Engine CalcFirstLastVisibleIndex is false in my situation.

No idea why this is the case, when I change the order of the series it is working.

Hi Marc, thanks a lot. That works for the right axis. I have still another problem, the FirstDisplayedIndex should give me the index of the first series point visible, but in my case when zooming the chart it gives me always 0. Shouldn't that FirstDisplayedIndex be working for Zoomed charts also? Wh...

Hi, 1. I want to have a candlestick series and a volume series in the same chart. No problem - I can achieve that. Candlestick assigned to left axis and volume to right axis. 2. I want to set the min and max of the candlesticks axis when I zoom in to the visible candles plus some delta for the beaut...