Looks to me like you are adjusting pStr twice; once in the for loop, and
once with the return value of StrPrintF. Why?
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Timothy
> Astle
> Sent: Tuesday, February 06, 2001 4:16 PM
> To: Palm Developer Forum
> Subject: Suggestions needed - StrPrintF
>
>
> I can get my dropdown list to populate using the following, and numbers.
> However, when I try to use the StrPrintF(...) function to fill
> the list with
> strings instead of numbers, it crashes.
>
> I know it must be something simple, but I don't notice it.
>
>
>
> /***********************************************************************
> *
> * FUNCTION: vnoDrawList()
> *
> * DESCRIPTION: Draws the dynamic dropdown list
> *
> * PARAMETERS: - frm
> *
> * RETURNED: nothing
> *
> ***********************************************************************/
> void vnoDrawList(FormPtr frm)
> {
> ListPtr lst;
> tblPackedPvnoPtr p;
> tblPvno thePvno;
> VoidHand record;
> char *pStr;
> UInt numRecords;
> UInt index;
>
> // Get a count of the records in the database
> numRecords = DmNumRecords(gPvnoDB);
>
> // If there are records in the database
> if(numRecords)
> {
> // Get a handle to the list object from the form
> lst = GetObjectPtr(NfoGeneralVehicleNumberList);
>
> gStringsBlock = MemPtrNew(numRecords * 3);
>
> // Query each record in the database
> for(index = 0, pStr = gStringsBlock; index <
> numRecords; index++,
> pStr++)
> {
> // Query the Record
> record = DmQueryRecord(gPvnoDB, index);
>
> // Lock the record and unpack it
> p = MemHandleLock(record);
> UnpackPvno(&thePvno, p);
>
> // Create the list of strings **** HERE
> pStr += StrPrintF(pStr, "%s", thePvno.VehicleNumber);
>
> // Unlock the record
> MemHandleUnlock(record);
> }
>
> // Create an array of strings
> gStringArrayH = SysFormPointerArrayToStrings(gStringsBlock,
> numRecords);
>
> // Set the List Choices
> LstSetListChoices(lst, MemHandleLock(gStringArrayH),
> numRecords);
> }
> }
>
> +++++++++++++
> Timothy D. Astle
> Embedded Systems Programmer
> ALT Group Inc.
> +++++++++++++
>
> "People who can smile when things go wrong has thought of someone else to
> blame it on."
>
>
>
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