[AccessD] Checking for Optional Parameters

Arthur Fuller fuller.artful at gmail.com
Tue Jan 24 19:59:48 CST 2023


Hi John et. al.,

Actually I knew that already. What I was trying to ask is whether you folks
use them in practice, or not.

On Tue, Jan 24, 2023 at 5:21 PM John Colby <jwcolby at gmail.com> wrote:

> Named params allow you to pass them in any order because you now use the
> syntax "ParamA - 1234", IOW you can actually tell the function which params
> you are passing in what order by specifying the name.
>
> On Tue, Jan 24, 2023 at 7:47 AM Arthur Fuller <fuller.artful at gmail.com>
> wrote:
>
> > I keep forgetting which check to use to determine whether or not an
> > optional parameter was passed to a function.
> >
> > <code>
> > Function myFunc( Optional d as Date ) as <whatever>
> > 'is it:
> > If IsMissing( d) or
> > If IsNull(d) or ?
> > </code>
> >
> > Side question: As a matter of coding style, do you use named parameters
> in
> > your own functions (i.e. as in, say, a call to MsgBox, which gives you
> that
> > prompt that walks you through the syntax as you type)?
> >
> > --
> > Arthur
> > --
> > AccessD mailing list
> > AccessD at databaseadvisors.com
> > https://databaseadvisors.com/mailman/listinfo/accessd
> > Website: http://www.databaseadvisors.com
> >
>
>
> --
> John W. Colby
> Colby Consulting
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> AccessD mailing list
> AccessD at databaseadvisors.com
> https://databaseadvisors.com/mailman/listinfo/accessd
> Website: http://www.databaseadvisors.com
>


-- 
Arthur


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