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Sounds like something in the Portvalue statement ?
Cheers,
Graham
http://groups.msn.com/asxsharetrading
http://groups.msn.com/fmsaustralia
-----Original Message-----
From: BillBarack [mailto:wbarack@xxxxxxxxxxx]
Sent: Friday, 19 December 2003 7:11 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Visible range shown on chart
Graham,
Thanks, it helps, but I keep getting error messages. Any ideas here?
Am I mixing variable types or something like that?
Bill
PortValue = my expression;
Try #1:
barvisible = Status("barvisible");
//firstvisiblebar = barvisible AND NOT Ref( barvisible, -1 ); FVB =
barvisible AND NOT Ref( barvisible, -1 ); LVB = barvisible AND NOT
Ref(barvisible,1); BarRange = LVB - FVB +1; MinVal =
LLV(PortValue,BarRange); MaxVal = HHV(PortValue,BarRange);
Error Message for Try #1:
Line 182, Column 61:
Plot(PortValue,"",colorBlack,4|styleOwnScale,MinVal, MaxVal);
------------------------------------------------------------^
Bad args.
5-th argument of function call has invalid (or unsupported) type
Try #2:
barvisible = Status("barvisible");
//firstvisiblebar = barvisible AND NOT Ref( barvisible, -1 ); FVB =
barvisible AND NOT Ref( barvisible, -1 ); LVB = barvisible AND NOT
Ref(barvisible,1); MinVal = LowestSince(FVB,PortValue); MaxVal =
HighestSince(FVB,PortValue);
Plot(PortValue,"",colorBlack,4|styleOwnScale,MinVal, MaxVal);
Error Message for Try #2:
Line 178, Column 61:
MinVal = LowestSince(FVB,PortValue);
MaxVal = HighestSince(FVB,PortValue);
Plot(PortValue,"",colorBlack,4|styleOwnScale,MinVal, MaxVal);
------------------------------------------------------------^
Bad args.
5-th argument of function call has invalid (or unsupported) type
--- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> Use
> Status( "barvisible" );
>
> Returns 1 if the bar is on screen
>
>
>
> Cheers,
> Graham
> http://groups.msn.com/asxsharetrading
> http://groups.msn.com/fmsaustralia
>
> -----Original Message-----
> From: BillBarack [mailto:wbarack@x...]
> Sent: Friday, 19 December 2003 6:21 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Visible range shown on chart
>
>
> I've been struggling, trying to find a way to express in AFL, the
> range currently shown on the chart. By this I mean, the Last bar
> visible minus the first bar visible.
>
> Can anyone point me in the right direction?
>
> Thanks
>
> Bill
>
>
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