[amibroker] Getting number of bars shown on chart

["warbaby33x" <warbaby33x@xxxxxxxxxxxx>]

Hi,

Been stuck on this for days and wondering if someone can lend me a hand. I'm trying to obtain the highest volume that can be seen on the chart. I've managed this so far;

fvb = Status("firstvisiblebar");
MaxVol = LastValue(HHV(Volume, fvb));


What I'd like to do is zoom out, and allow "fvb" to recalculate.

i.e.
a) say the chart has 20 bars of data. fvb = 20
b) then I zoom out and now the chart has 40 bars. How can I get fvb now to equal 40? As in "auto-refresh" itself and then consequently, MaxVol is recalculated?

Appreciate any help. =)




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