>I'm trying to write software to add an appointment to the Date Book from
>inside another application running on the palm. Does anyone know of an API I
>can use to do this, or built in methods, I've looked at a few, but they're
Actually, if you take a look at the DateBook source code that comes
with the SDK, it's pretty straightforward. Here's a piece of code
that adds a basic appointment with no frills. You'll need to fill in
the blanks to do anything fancy, and read between the lines a bit.
Regards,
Steve Mann
# # #
/***********************************************************************
* FUNCTION: AddDateBookMessage
*
* DESCRIPTION: Stuff a new Datebook message into a datebook record
*
* RETURNED: zero or an error code
***********************************************************************/
static Err AddDateBookMessage
(
void
)
{
Err error;
UInt16 index;
UInt16 category = dmUnfiledCategory;
// Get the length of the new record. It's the record header length
plus the length of the description.
// We subtract two from the header length because it has a
single-byte data placeholder that is
// overwritten by the description and a one-byte invisible filler
byte place there by the compiler to
// round out the structure to an even # of bytes.
Int16 descrLen = CALCULATE THE LENGTH OF THE APPOINTMENT DESCRIPTION;
Int16 recLen = ( Int16 ) ( descrLen + sizeof (
ApptPackedDBRecordType ) - 2 );
// Allocate a new Date Book record large enough to hold the
appointment and clear it out
ApptPackedDBRecordPtr recP = ( ApptPackedDBRecordPtr )
MemPtrNew ( recLen );
ErrFatalDisplayIf ( ! recP, "Error allocating Date Book
record buffer" );
MemSet ( recP, ( Int32 ) MemPtrSize ( recP ), 0);
// Add the description to the appointment
recP->flags.description = 1;
recP->firstField = NULL; // To get StrNCat to work
StrNCat ( &recP->firstField, &msgP->DBDescript, descrLen + 1 );
// Start and end times
recP->when.startTime.hours = ......;
recP->when.startTime.minutes= .....;
recP->when.endTime.hours = ......;
recP->when.endTime.minutes = ......;
// Appointment date
recP->when.date.month = ......;
recP->when.date.day = ......;
recP->when.date.year = ......;
// Open the datebook database
DmOpenRef dbRef = DmOpenDatabaseByTypeCreator
( 'DATA', sysFileCDatebook, dmModeReadWrite |
dmModeShowSecret );
if ( ! dbRef )
{
MemPtrFree ( recP );
return dmErrCantOpen;
}
// Write the new appointment to the date book, save the record index so that
// we can pass it to the Date Book for subsequent viewing, and free
the buffer pointer.
// UTAddRecord creates a new record of size MemPtrSize ( recP ),
copies what's in recP
// into that record, and returns the new record's index in &index.
index = dmMaxRecordIndex;
error = UTAddRecord ( dbRef, &index, recP, ( UInt16 )
MemPtrSize ( recP ), category );
MemPtrFree ( recP );
DmCloseDatabase ( dbRef );
return error;
}
--
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-------------------------------------------
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