Yes. I forgot to mention initializing it in Init(). Thanks.
Bill
On Sun, 08 Jun 2008 17:10:02 -0400, Jeff Shoaf <jeffshoaf@[EMAIL PROTECTED]
>
wrote:
> You're right - if you declare the flag at the form level, it keeps it's
> value as long as the form is open. I tend to put one-shots near the code
> where they're used so they're obvious.
>
> Still, if declared at the form level, you need to be sure to give it a
> value before trying to read it. I'd probably set it to false in the
> form's init() event.
>
> Jim Hargan wrote:
> > IOW, declare the logical flag variable in the var method of the form
(or
> > some other object in the container****p hierarchy between the field and
the
> > form).
> >
> > And (just a suggestion here) call it
> > var
> > gloFlag logical
> > endvar
> > with "glo" meaning "global logical". Now you (or your successor) will
> > always know its data type and where it's been declared!
> >
> > I like this solution, and have used it a number of times -- but I now
> > consider it a fudge, and instead look for the cause of the event
firing
> > when I don't want it to. When I have time, that is.
> >
> > --
> > Jim Hargan
> >
> > On Sun, 08 Jun 2008 09:36:02 -0400, Jeff Shoaf wrote:
> >
> >> I've always called this type of construct a "one-shot" - maybe due to
my
> >> electronics background.
> >>
> >> Note that the var declaration needs to be placed above the event
> >> declaration or it will be cleared each time the event runs. Also note
> >> that you need to check to see if it's been assigned a value before
> >> checking the value or you'll get an unassigned variable error.
> >>
> >> var
> >> flag logical
> >> endVar
> >>
> >> ChangeValue() ; This is the first line of code that's automatically
> >> ; created by Paradox - I can't remember the full line
> >>
> >> if not flag.isAssigned() then
> >> flag = false
> >> endIf
> >>
> >> if not flag then
> >> flag = true
> >> ; your code
> >> flag = false
> >> endIf
> >>
> >>
> >> Bill McCray wrote:
> >>> If you are concerned about changes leading to back and forth
> >>> triggering, define a Logical variable in the Var section for each
> >>> field. Let's call it "Flag". Use Flag to avoid repeating an
> >>> operation.
> >>>
> >>> If Not Flag Then
> >>> Flag = True
> >>> ; Put your changes here
> >>> Flag = False
> >>> EndIf
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