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From the Users Guide:
WARNING: default/min/max/step parameters have to be
CONSTANT numbers. This is
because these values are cached
and are not re−read during subsequent
formula
evaluations.
----- Original Message -----
Sent: May 26, 2009 8:24 AM
Subject: [amibroker] Re: Is it possible
to force parameter changes programatically?
MurthySuresh,
Thanks for your idea but...I used the
following code (I'm not a programmer but think it is correct). The printf
statements indicate the cases are switching properly but the parameter
settings still do not change when I change the chart being viewed until I
force a "reset all" from the parameters window. Any ideas on how to force this
reset?
*************************
switch (Name())
{
case "AHTFX":
TrailB
= Param( "Entry %", 2, 1, 20, 1 )/100;
TrailS = Param( "Exit %", 2, 1, 20,
1 )/100;
printf("Parameter changed to 2\n");
break;
case "PTTDX":
TrailB = Param( "Entry %", 3, 1, 20, 1 )/100;
TrailS = Param( "Exit %",
3, 1, 20, 1 )/100;
printf("Parameter changed to 3\n");
break;
default:
TrailB
= Param( "Entry %", 6, 1, 20, 1 )/100;
TrailS = Param( "Exit %", 6, 1, 20,
1 )/100;
printf("Parameter changed to Default 6\n");
break;
}
***********************************
--- In amibroker@xxxxxxxxxxxxxxx,
"murthysuresh" <money@xxx> wrote:
>
> you cannot use the
param in conditional statements. like
> ParamStr etc
> what i
meant was that you can store the param values in a variable param1,
param2....
> and use the switch statements to chagne the param values in
that variable.
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx,
"japple_55" <aimria@> wrote:
> >
> > Did that already
but the parameters do not actually change when I change the symbol in the
chart. The Reset button in the parameters window has to be used to force the
change.
> >
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx,
"murthysuresh" <money@> wrote:
> > >
> > > i
dont think so. why dont you just use conditional statements.
> > >
with if(name()=="blah")
> > > {
> > >
param1=something
> > > }
> > >
> > > or
you can use a switch case.
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx,
"japple_55" <aimria@> wrote:
> > > >
> > >
> I have a single system plotted on a chart that I would like to view/test
for several symbols, where only the parameters will change according to the
symbol being viewed/tested.
> > > >
> > > >
I've got the parameter changes coded as symbol dependent ("IIF name = ...")
and their values reflect properly in the title when I change symbols. But, the
system calculations don't update with the new parameters unless I manually
reset from the parameters window. Is there a way to force this reset
programatically within the AFL code so the changes happen automatically when I
change symbols?
> > > > Thanks,
> > > >
Jim
> > > >
> > >
>
>
>
------------------------------------
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**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
TO GET TECHNICAL SUPPORT send an e-mail directly to
SUPPORT {at} amibroker.com
TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)
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