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Perhaps you can use Dynamic Data Exchange (DDE) if here are only specific cells that you want to update?
h
--- In amibroker@xxxxxxxxxxxxxxx, "abxlab" <w2jchen@xxx> wrote:
>
> update it on my own...
> seems nobody bother to try this way. I finally figured it is impossible for AB (thru Excel.Application object) to access an ever opened Excel spreadsheet. It will actually open another copy of the same file, however it is in READ-ONLY mode.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "amiespresso" <w2jchen@> wrote:
> >
> >
> > Hello folks,
> >
> >
> >
> > I've been searching for a solution for quite a while and explored all
> > what I could get, now I feel it's time to ask for help after enough
> > homework done with no luck...
> >
> >
> >
> > To put it simple, I'd like to have AB exchange data back and forth with
> > an OPENED Excel file. Is it all possible?
> >
> >
> >
> > To illustrate it more, I need a bridge b/w AB and Excel so that AB could
> > exchange data with Excel using Scan/Explore, or even during Backtesting
> > execution. The tricky part here is - I have the Excel worksheet opened,
> > for example, Sheet1 is for AB to dump something there, while Sheet2 has
> > my VBA code. And hopefully I still should be able to interact with Excel
> > while AB "talking" to THIS Excel instance.
> >
> >
> >
> > Here I tried the following:
> >
> > 1) XLPlugin - It looks like a right solution by moving data thru memory
> > copy between AB/XL. However after spending many days on this direction,
> > I was blocked by things I couldn't fix without its source code.
> > Basically, its sample.xls couldn't execute properly if AA has
> > Periodicity set as any non-Daily value. XLCase() doesn't work if for
> > example I run Scan/Explore on Hourly bars, which seem so strange. My
> > only guess is VB.net changed its RtlMemoryCopy() used by XLPlugin. This
> > function now has different signature from VB6, which may break things
> > somehow.
> >
> >
> >
> > 2) I tried some sample code that uses "Excel.Application"
> > syntax. The problem here is that AB will initiate another copy of Excel,
> > NOT the one I opened with something loaded already. It's OK to
> > create a new sheet, load it with something, save it and close. But I
> > need interaction with my current Excel.
> >
> >
> >
> > 3) Plain text or CSV file from AB to Excel is straightfoward, but
> > it's not capable of doing quick data exchange between AB and Excel.
> >
> >
> >
> > Can anybody here to enlighten me with some idea or code if you ever
> > faced similar problem and resolved it?
> >
> >
> >
> > Your input is much appreciated!
> >
> >
> >
> >
> >
> > P.S. my envrionments
> >
> > Windows XP and/or Windows 2003 Server Std Edition
> >
> > Amibroker v5.20
> >
> > Office Professional Edition 2003
> >
> > Visual C++ 2005 Redistributable
> >
>
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