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I just clipped this out of a formula that works and
based on an example that Tomasz wrote and is in the help
documentation.
I don't why it doesn't work...Could be you're
missing the Return statement from the function.
Run this as a SCAN, select Refresh All to see your WL No.
evaporate. Make sure it's the one you want to get rid of.'
Best regards
JOE
function
ClearWatchlist( listnum )
{
// retrieve comma-separated list of symbols in watch list
list = CategoryGetSymbols(
categoryWatchlist, listnum );
for( i =
0; ( sym = StrExtract( list, i ) ) != ""; i++ )
{
CategoryRemoveSymbol(sym,categoryWatchlist,Listnum);
}
return;
}Buy=Sell= 1;
Clearwatchlist( 1);
----- Original Message -----
Sent: Sunday, March 26, 2006 8:57
AM
Subject: [amibroker] Re: add scan results
to watchlist programmatically
Hi folks,
I can't seem to get this to work.
Here is my code:
// Exploration code to clear a
watchlist
function ClearWatchList(_watchListNumber)
{_toClear =
CategoryGetSymbols(categoryWatchlist, _watchListNumber);
for(i = 0; (symC = StrExtract(_toClear, i) ) != "";
i++)
{CategoryRemoveSymbol(symC,
categoryWatchlist,
_watchListNumber);}
}
ClearWatchList(4);
Filter=True;
I
read in the help files that the "GetCatagorySymbols" was changed
to
"CatagoryGetSymbols" and so I am using that Function.
It is
probably something simple.
I am trying to run the code above as a
simple exploration to clear out
a single watchlist. The loop code
below will be next. Then I am
thinking of using the #include function
to add it to a number of my
explorations. My thinking is that this
small piece of code will be
easier to manage from one file than if I copy
and paste into all of my
explorations.
MM
--- In
amibroker@xxxxxxxxxxxxxxx, "Joe Landry" <jelandry@xxx>
wrote:
>
> Hello Jeff - I like the way you've coded
this! Obviously you had
some experience. I'm clipping this and
putting
> it in the bottomless pit of code snippets that I use to
augment my
memory and lack of training
>
> You
can tell I got started many years before where we could not
carry around
long symbol names. This way is self
> documenting. Always easier
to read.
>
> NOW for finding what ConditonA and ConditionB
are? The HOLY GRAIL?
>
> BTW if you scan this forum
for recent postings by Dan Clark, and I'm
sure others you'll find Dan's
developed daily runs where he
> builds multiple watchlists of sectors
or industry areas. I do these
runs on a daily basis for the 12
sectors in QuotesPlus then build
> composites of the breadth metrics of
these sectors. In starting
this out I have to clear 12 watchlists and
one could use your function
within a FOR loop.
>
> for
(i=30; i<=41; i++)
> {
> Clearwatchlist(i);
>
}
>
> I'll have to be careful in making sure the ranges are
accurate
otherwise I'll clear out more than I expect. Coding a
utility
> to write specific watchlists to CSV files wouldn't be a bad
idea,
either.
>
> Best regards
> Joe
>
> ----- Original Message -----
> From: hongyu lu
> To:
amibroker@xxxxxxxxxxxxxxx
> Sent: Sunday, March 26, 2006
12:44 AM
> Subject: Re: [amibroker] add scan results to
wathlist programmatically
>
>
> thanks for all
the info to get it work. here is the summary for
reference.
>
> 1. To clear watchlists:
>
>
function ClearWatchList(_watchListNumber)
{
> _toClear =
GetCategorySymbols(categoryWatchlist,
>
_watchListNumber);
> for(i = 0;
(symC = StrExtract(_toClear, i) ) != ""; i++)
{
>
CategoryRemoveSymbol(symC,
categoryWatchlist,
>
_watchListNumber);
>
}
> }
>
>
ClearWatchList(0);
> ClearWatchList(1);
>
ClearWatchList(2);
> ClearWatchList(3);
>
> 2. To add scanned out stocks to watchlists:
>
> r2 = ConditionA and ConditionB;
>
> if (LastValue(r2) == 1)
{
> CategoryAddSymbol("",
categoryWatchlist, 1);
> }
>
> Buy
= 0;
>
> Thanks again!
>
Jeff
>
>
>
> On 3/25/06, Joe Landry
< jelandry@xxx> wrote:
> Here's another
example. When you go to see if you've been
successful be sure to
select refresh all
>
> // clear
Watchlists used to store composite symbols of QP Sector
Runs
>
> WL =
>
>
3; // or use WL = Param("WL No.",3,1,63,1);
> ClearList =
>
> GetCategorySymbols(categoryWatchlist, WL);
>
> for( i = 0; ( symC =
StrExtract(ClearList, i) ) != ""; i++ )
>
{
>
>
> CategoryRemoveSymbol(
symC, categoryWatchlist, WL );
> }
>
>
> Buy = Sell =0;
> ----- Original Message -----
> From: hongyu lu
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Saturday, March 25, 2006 2:19
PM
> Subject: Re: [amibroker] add scan results
to wathlist
programmatically
>
>
> Hi Joe,
>
> could you give an example? I played with my
afl but could not
figure out how to get the scanned out symbols.
>
> if my buy signal is like below, how to add
the scanned out 'buy'
symbols to watch list?
>
> buy = a & b & c;
>
> i tried: CategoryAddSymbol(Name(),
categoryWatchlist, 10); but
got all db symbols
added.
> i also tried: valuewhen(buy, name()),
but got syntax error.
>
> could you shed
some lite on this?
>
> thanks a
lot
> Jeff
>
>
>
> On
3/25/06, Joe Landry <jelandry@xxx> wrote:
> There's a function called
categoryaddsymbol...can be used to
add your selected ticker to a watchlist
to
> build watchlists. You
can also clear your watchlist
programmatically.
> Best
regards
> JOE
> ----- Original
Message -----
> From:
hongyu lu
> To:
amibroker@xxxxxxxxxxxxxxx
> Sent: Saturday, March
25, 2006 1:04 AM
>
Subject: [amibroker] add scan results to wathlist
programmatically
>
>
> is it possible to add
scan results to wathlist with AFL
programmatically? I have to do "add all
results to watch list" all the
time at this point.
>
> thanks in
advance
> Jeff
>
>
>
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> For other support material
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