You're probably writing more than was allocated. I find the best
way to deal with triggers is to have a global Char * variable and
you can free/allocate it. Then you'd do:
Char *gTriggerLabel;
static void someFunc(void)
{
ControlPtr ctl;
Char date[dowLongDateStrLen];
ctl = GetObjectPtr(DetailsDateSelTrigger);
DateToDOWDMFormat(....., date);
if (gTriggerLabel != NULL)
MemPtrFree(gTriggerLabel);
gTriggerLabel = MemPtrNew(StrLen(date) + 1);
StrCopy(gTriggerLabel, date);
CtlSetLabel(ctl, gTriggerLabel);
}
Don't forget to free gTriggerLabel when you leave the form/app
> -----Original Message-----
> From: Stephen Bentley [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, October 03, 2002 11:24 AM
> To: Palm Developer Forum
> Subject: select trigger woes
>
>
> I borrowed the following code snipet, the GetObjectPtr
> function, and the
> details form itself from the OS 3.5 datebook example:
>
> ctl = GetObjectPtr (DetailsDateSelTrigger);
> label = (Char *)CtlGetLabel (ctl); // OK to cast; we call
> CtlSetLabel
> DateToDOWDMFormat (details->when.date.month, details->when.date.day,
> details->when.date.year + firstYear,
> sysPrefs.dateFormat, label);
> CtlSetLabel (ctl, label);
>
> but I constantly get GARBAGE in the ctl pointer that is
> returned. Yet when
> I run the complete datebook example project in debug it works fine.
>
> Can anyone tell me why I can't get a valid pointer on this
> stupid control?
> It's driving me nuts. I seem to always have problems with
> select triggers.
>
> Thanks!
>
> Stephen
>
>
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