more info on problem #1 -- DmNumRecords will tell you total records
including deleted records. DmNumRecordsInCategory will tell you how many
live records there are (to get all live records, specify dmAllCategories).
----- Original Message -----
From: S�rgio Carvalho <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, August 23, 1999 4:09 PM
Subject: Re: Reading/Writing MemoPad DBs ???
> Hi,
>
> Problem 1: Make sure you're not getting confused by deleted records.
> Deleted records stay in the DB until the next sincronization, so the
> total record count, and the 'live' record count may be different.
>
> Problem 2: If you try to write to the record, in the Do Something here
> section, you must use DmSet. Other than that, I guess your code is
> correct.
>
> Problem 3: Yes. A Memopad record is only a null terminated string. I've
> successfully read from it, with no problems. The pointer obtained by the
> record handle lock points to the first char. The best source of info
> about the MemPad database is the application source code (headers,
> mainly).
>
> Sergio
>
> Mike Davis wrote:
>
> > I am having a problem understanding how to read and write
> > a MemoPad record.
> >
> > I have looked at MemoPad application but is not really helping
> > me on this. I have three problems (probably more).
> >
> > Problem 1: I have placed a Custom Alert to tell me how many
> > records are in the DB. The popup reports 535 records. But
> > there are only 144 records. I have verified the real number of
> > records by the count in MemoPad and by looking at the DB with
> > RsrcEdit app. Both show 144 records. Why the discrepancy?
> >
> > Problem 2: I get a fatal error when I use this code. I have
> > removed everything down to the bare minimum that causes the
> > crash. The problem is with what is inside the 'for' block. I
> > use this code to access another of my own DBs. What is wrong
> > with this code? Why does it crash?
> >
> > Problem 3: I have looked at the MemoDB with RsrcEdit and it is
> > just a null terminated string for each record. Doesn't RecPointer
> > point to the first char of the MemoPad data? If not, what is the
> > format of the record pointed to by RecPointer?
> >
> > Where is the best source of documentation on a MemoPad record?
> > A simple app would help.
> >
> > Thanks
> >
> > void GetImportNames(void) {
> > VoidHand RecHandle;
> > Ptr RecPointer;
> > int i, numRecs;
> > char buffer[10];
> >
> > numRecs = DmNumRecords(ImportDB);
> > StrIToA(buffer, numRecs);
> > FrmCustomAlert(altNotice, buffer, "", "");
> >
> > for(i=0; i<numRecs; i++) { // get names
> > RecHandle = DmQueryRecord(ImportDB, i);
> > RecPointer = MemHandleLock(RecHandle);
> > // Do something here
> > // to access specific data
> > MemPtrUnlock(RecPointer);
> > }
> > }
> > --
> > -----------------------------------------------------------------
> > Discussion Group: http://www.halcyon.com/ipscone/wwwboard/
> >
> > Protect your constitutional rights. Your favorite one may be next!
> > -----------------------------------------------------------------
>
> --
> Sergio Carvalho
> ---------------
> [EMAIL PROTECTED]
>
>
>
