Correct ... I see what you want ...

Regards, Ton.

  ----- Original Message ----- 
  From: dingo 
  To: [email protected] 
  Sent: Wednesday, September 12, 2007 7:13 PM
  Subject: RE: [amibroker] Creating new watchlists from AFL



  Yes, I read it. But having done so and with TJ's comments it appears that if 
you want to add a new WL using AFL one has to:

  Using file I/O functions create a new file with name of watchlist and "tls" 
extension.
  write tickers to file
  close it. 

  Do a Popup msg asking user to load another database and reload the original 
database. OR a popup asking user to save database exit AB and re-run AB.

  Removing a WL completely looks like it will take some manual intervention as 
well.

  d



------------------------------------------------------------------------------

  From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Ton 
Sieverding
  Sent: Wednesday, September 12, 2007 12:44 PM
  To: [email protected]
  Subject: Re: [amibroker] Creating new watchlists from AFL


    Dingo did you read the new ReadMe ? Should be possible. Or am I missing 
something in this conversation ...
      Version 5.00 brings hundreds of improvements including

      a.. New Watchlist system featuring: 
        a.. unlimited number of watch lists 
        b.. lists keep original order in which symbols were added (still can be 
sorted alphabetically on-demand) 
        c.. new AFL function to refer to watch lists by name
    Regards, Ton.

      ----- Original Message ----- 
      From: dingo 
      To: [email protected] 
      Sent: Wednesday, September 12, 2007 3:02 PM
      Subject: RE: [amibroker] Creating new watchlists from AFL



      Yes but how about his question on how to create a watchlist using AFL for 
> 64 watchlists?

      d



------------------------------------------------------------------------
        From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of 
Tomasz Janeczko
        Sent: Wednesday, September 12, 2007 8:40 AM
        To: [email protected]
        Subject: Re: [amibroker] Creating new watchlists from AFL


        Hello,

        This statement from the AB guide is obsolete. Will be removed.
        There is NO limit on number of watchlists and NO limit in Category* 
functions.

        Best regards,
        Tomasz Janeczko
        amibroker.com
          ----- Original Message ----- 
          From: RR 
          To: [email protected] 
          Sent: Wednesday, September 12, 2007 9:36 AM
          Subject: RE: [amibroker] Creating new watchlists from AFL


          Dingo,


          Suppose I want to create a new style watchlist titled 
"GuppyCountBackLine".


          The CategoryAddSymbol appears to be limited to a range of 0..63 for 
watchlists.  (page 398 of 5.0 user's guide).


          All of the watchlists I want to create fall outside of the default 
range of 0..63.  


          The only way I see to create these watchlists is to manually create 
these with the Symbol menu from the main toolbar.   How do I create these new 
style watchlists with just AFL?  How do I delete the new style watchlists using 
just AFL?  


          I do have code for the default case of 1..63.  For example:


          // ClearWatchList


          function ClearWatchlist(wl)

          {

                 if (Status("stocknum") == 0)

                 {

            

                       // remove all existing symbols from the market list

                 _TRACE("Removing Tickers from watchlist number " +

                 NumToStr(wl, 1.0)+":");

                 List = CategoryGetSymbols(categoryWatchlist, wl);

                 for( i = 0; ( sym = StrExtract( List, i ) ) != ""; i++ )

                 {

                       _TRACE(sym);

                              CategoryRemoveSymbol(sym, categoryWatchlist, wl);

                       }

                 _TRACE("Removing Tickers from Watchlist completed.");

                 };

          }


          This works great for 1..63 but it still appears that manually using 
SYMBOL..WATCHLIST..New Watchlist must be used to create the new style 
watchlist.   I do not see how to do the logical equivalent of 
SYMBOL..WATCHLIST..New Watchlist strictly using AFL for the new style 
watchlist.   For distribution purposes, I would prefer to not have a client 
have to manually enter potentially hundreds of watchlist names using the Symbol 
menu. 


          If you try using the wl = CategoryFind 
("GuppyCountBackLine",categoryWatchlist) you get a -1 return code according to 
debugview instead of the next available ordinal index number.  Obviously, the 
CategoryFind function is used to retrieve the ordinal number of the watchlist 
for parameter entry into the other Category... functions in AFL.


          Thanks in advance   :^))



----------------------------------------------------------------------

          From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf 
Of dingo
          Sent: Tuesday, September 11, 2007 9:53 PM
          To: [email protected]
          Subject: RE: [amibroker] Creating new watchlists from AFL


          All of the old methods of creating watchlists remain - Check 
CategoryAddSymbol/ ..removesymbol in the help file and then do a search of this 
forum on them. There you'll find examples.


          d



--------------------------------------------------------------------

            From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf 
Of RR
            Sent: Tuesday, September 11, 2007 10:48 PM
            To: [email protected]
            Subject: [amibroker] Creating new watchlists from AFL

            I do not see a way to create new watchlists using AFL.  Is this 
do-able?  I have heard that you can code a workaround using FSO (file system 
object) and something about maintaining the index yourself.  Unfortunately, I 
did not see any code posted.   It seems this would be best done by TJ so the 
implementation of watchlists would not be broken in case additional 
enhancements were made.  Also, the ability to delete a watchlist is needed from 
AFL so that you do not have to predict ahead of time which watchlists need to 
be created.




   

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