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Steve,
Looks promising!
The line:
endbar = ValueWhen( DateNum() == Status("rangetodate"), BarIndex
() );
seems to work well when the year is other than 2000.
Thanks,
Ed
--- In amibroker@xxxxxxxxxxxxxxx, "Steve Dugas" <sjdugas@xxxx> wrote:
> Hi Ed,
>
> You can only pass the entire array back and forth, but you can
arrange for the DLL to only operate on a certain time period by
passing other parameters. One example could be something like:
>
> In AFL:
>
> startbar = ValueWhen( DateNum == status("rangefromdate"), BarIndex
() );
> endbar = ValueWhen( DateNum == status("rangetodate"), BarIndex
() );
>
> Then pass these to the DLL and in the DLL code something like:
>
> for( i = startbar[0]; i <= endbar[0[; ++i ) // I think AB would
probably create startbar and endbar as arrays
> {
> do your testing...
> }
>
> Or, you could pass StartDate, EndDate, Datenem() and BarIndex() to
the DLL and do the conversion there.
>
> Steve
>
>
>
> ----- Original Message -----
> From: sharps_45_70
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Saturday, September 20, 2003 1:41 PM
> Subject: [amibroker] Passing arrays to a DLL
>
>
> When you pass and array to a dll in the AA window, the entire
array
> is passed regardless of the settings in the Range settings.
>
> For example, if you pass the "close" array of a symbol that you
have
> 2000 bars of data in the database, and the the range is set
to "all
> quotations", then the size of the array passed is 2000.
>
> If you set the date range to something other than "all
quotations,"
> say 1/1/1995 to 12/31/2000, the entire 2000 element array is
still
> passed to the dll, not just the array that represents the range
set
> in the Range box.
>
> Does anyone know a way to synronize the number of array elements
> passed to a dll with the range set in the Range box?
>
> Thanks,
> Ed
>
>
>
>
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