One more note: TXTSTARTDAY is declared like this in the resource file
FIELD ID TXTSTARTDAY AT (29 122 119 16) MAXCHARS 255 NONEDITABLE This statement is the one that causes the problem FldSetTextPtr(fldStartDay, gc6DaysPriorDate); ---- only the hardware devices have been giving me >>trouble (code below) >> >>The odd thing about this is that it works on OS 5 devices, forces a soft >>reset on OS 4 devices, and has a fatal exception on OS 3.5 devices. I am >>obviously trying to find a solution that fits all three. >> >> [...] >> >>Note: I have a form set up with a textbox ID = TXTSTARTDAY. >> >>//assign fldStartDay object >>FieldType *fldStartDay; >>GetObjectPtr (fldStartDay, TXTSTARTDAY); >> >>//this puts a string with the date into gc6DaysPriorDate >>DateToAscii (dt6DaysPrior->month, dt6DaysPrior->day, dt6DaysPrior->year + >>1904, dfMDYLongWithComma, gc6DaysPriorDate); >> >>//this should assign the string from gc6... to fldStartDay. >>FldSetTextPtr(fldStartDay, gc6DaysPriorDate); >> >>//redraw object >>FldDrawField(fldStartDay); -----Original Message----- From: Henk Jonas [mailto:[EMAIL PROTECTED] Sent: Wednesday, October 27, 2004 10:09 AM To: Palm Developer Forum Subject: Re: strange fatal exception Which part does crash? Henk Ornstein, Adam wrote: > gc6DaysPriorDate is a global character array declared like this: > > char gc6DaysPriorDate[13]; > > since it is assigned a valid string value just before I set the text field, > I know that it is always available to the text box. > > The text field is a read-only field... > > So Im still stuck :( for now.... > > Thanks! > > >>Hi thanks for taking a look. only the hardware devices have been giving me >>trouble (code below) >> >>The odd thing about this is that it works on OS 5 devices, forces a soft >>reset on OS 4 devices, and has a fatal exception on OS 3.5 devices. I am >>obviously trying to find a solution that fits all three. >> >> [...] >> >>Note: I have a form set up with a textbox ID = TXTSTARTDAY. >> >>//assign fldStartDay object >>FieldType *fldStartDay; >>GetObjectPtr (fldStartDay, TXTSTARTDAY); >> >>//this puts a string with the date into gc6DaysPriorDate >>DateToAscii (dt6DaysPrior->month, dt6DaysPrior->day, dt6DaysPrior->year + >>1904, dfMDYLongWithComma, gc6DaysPriorDate); >> >>//this should assign the string from gc6... to fldStartDay. >>FldSetTextPtr(fldStartDay, gc6DaysPriorDate); >> >>//redraw object >>FldDrawField(fldStartDay); > > > Two questions: > > 1) Where is gc6DaysPriorDate allocated? Is it a global character > array? Is it a memory chunk allocated using MemPtrNew or MemHandleNew? Is > it a local array on the stack? The memory that gc6DaysPriorDate points to > has to remain valid as long as the field is around. > > 2) Is the field a read-only field? FldSetTextPtr only works for read-only > fields. If it is editable, you need to use a handle and the > FldSetTextHandle call. > -- ------------------------------------------------------------------------- Henk Jonas Palm OS (r) certified developer [EMAIL PROTECTED] www.metaviewsoft.de ------------------------------------------------------------------------- -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/ -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/ -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
