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If I want to use a variable that is defined within a function or
procedure I first define it as a globla variable within the function
or procedure. it is then available within the AFL after that function
or procedure has been called
On 11/3/05, Chuck <cstangor232@xxxxxxxxxxxxxxxxxx> wrote:
> According to the help manual, this is how global and local variables relate
> to functions (depends on where they are first defined):
>
> If given identifier appears first INSIDE function definition - then it is
> treated as LOCAL variable.
> If given identifier appears first OUTSIDE function definition - then it is
> treated as GLOBAL variable.
>
>
> ----- Original Message -----
> From: "Ara Kaloustian" <ara1@xxxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Wednesday, November 02, 2005 12:12 PM
> Subject: Re: [amibroker] Re: Global variables
>
>
> > Barry
> >
> > this is getting confusing ...
> >
> > Globals defined as such within a function seem available globally ... but
> > as
> > I indicated earlier... not reliably.
> >
> > According to the help files, there is no distinction between globals
> > defined
> > within functions and variables initialized outside of functions.
> >
> > Where did you see the distinction you mentioned?
> >
> > Hope this thread resolves the "mystery" of globals.
> >
> >
> > Ara
> >
> > ----- Original Message -----
> > From: "Barry Scarborough" <razzbarry@xxxxxxxxxxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Wednesday, November 02, 2005 8:54 AM
> > Subject: [amibroker] Re: Global variables
> >
> >
> >> Global variables defined withing a function are scoped to that
> >> function and all the sub functions within that function. But once
> >> you call outside that function the variable is not available. If you
> >> want the variable to be global it has to be in a global scope,
> >> outside of the functions that will use it. Declare it at the top of
> >> your code and it will have global scope as you mentioned. Otherwise
> >> pass it as a parameter. This is much safer. You have to be careful
> >> when using globals because anyone can change a global anytime and
> >> anywhere, darn hard to debug if that happens. If that is OK then
> >> make it global.
> >>
> >> I would have to look at your code to see what you are doing.
> >>
> >> Barry
> >>
> >> --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@xxxx>
> >> wrote:
> >> >
> >> > I have had some problems with defining globals within a function.
> >> >
> >> > Globals defined withing a function are not always available to
> >> code later on. In one situation, a global defined within a prior
> >> function and used in an indicator, was not available to some copies
> >> of the indicator and was available to some others where the
> >> indicator was used multiple times in same instance, but on different
> >> panes.
> >> >
> >> > If I initialize the variable at the beginning of the program, it
> >> is automatically a global and always works reliably.
> >> >
> >> > Anyone with similar issues?
> >> >
> >> > Ara
> >> >
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> Please note that this group is for discussion between users only.
> >>
> >> To get support from AmiBroker please send an e-mail directly to
> >> SUPPORT {at} amibroker.com
> >>
> >> For other support material please check also:
> >> http://www.amibroker.com/support.html
> >>
> >>
> >> Yahoo! Groups Links
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
--
Cheers
Graham
AB-Write >< Professional AFL Writing Service
Yes, I write AFL code to your requirements
http://e-wire.net.au/~eb_kavan/ab_write.htm
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