> I have followed an example to create a table. It compiles successfully but
> error come out when running the application.
> The following are the snippet code in TableInit:
>
> static void MainFormInit(FormPtr form)
> {
> TablePtr table;
> Int16 numRows;
> Int16 i;
> DateType dates[11], today;
> UInt32 now;
> UInt32 curDate;
> ListPtr list;
>
> * ((Int16 *) &dates[0]) = noTime;
> DateSecondsToDate(TimGetSeconds(), &today);
> now = DateToDays(today);
> for (i = 1; i < sizeof(dates) / sizeof(*dates); i++) {
> curDate = now - 5 + i;
> DateDaysToDate(curDate, &(dates[i]));
> }
>
> table = FrmGetObjectPtr(form, FrmGetObjectIndex(form, MainTable));
> list = FrmGetObjectPtr(form, FrmGetObjectIndex(form, MainList));
>
> numRows = TblGetNumberOfRows(table);
> for (i = 0; i < numRows; i++) {
> TblSetItemStyle(table, i, 0, labelTableItem);
> TblSetItemPtr(table, i, 0, gLabels[i]);
>
> TblSetItemStyle(table, i, 1, dateTableItem);
> TblSetItemInt(table, i, 1, DateToInt(dates[i]));
>
> TblSetItemStyle(table, i, 2, numericTableItem);
> TblSetItemInt(table, i, 2, i);
>
> TblSetItemStyle(table, i, 3, textTableItem);
>
> TblSetRowStaticHeight(table, i, true);
> }
>
> for (i = 0; i < numTableColumns; i++) {
> TblSetColumnUsable(table, i, true);
> switch (i) {
> case 2:
> TblSetColumnSpacing(table, i, 2);
> break;
>
> default:
> TblSetColumnSpacing(table, i, 0);
> break;
> }
> }
>
> TblSetLoadDataProcedure(table, 3, LoadTextTableItem);
>
> TblSetSaveDataProcedure(table, 3, SaveTextTableItem);
>
> FrmCustomAlert(InfoAlertAlert, "1", NULL,NULL);
> FrmDrawForm(form); //Error come out
> FrmCustomAlert(InfoAlertAlert, "2", NULL,NULL);
> }
>
> So the error come out when drawing the form:" The application just read
> from memory location 0x00000010 which is in low memory. "
> Does anybody have the idea?
sure.. when you have 0x000000xx type memory locatrions, you can
automatically
assume there is a null pointer somewhere. at somepoint, it is doing
something
like:
ptr->attribute
where attribute = at index 10 :) and, its barfing. :P look for a bad
pointer.
--
Aaron Ardiri
CEO - CTO
Mobile Wizardry
http://www.mobilewizardry.com/
--
For information on using the Palm Developer Forums, or to unsubscribe, please see
http://www.palmos.com/dev/support/forums/
