You are right. Sorry about that bit of disinformation.
Mitch
> -----Original Message-----
> From: Kenneth Albanowski [SMTP:[EMAIL PROTECTED]]
> Sent: Monday, March 22, 1999 9:44 AM
> To: '[EMAIL PROTECTED]'
> Subject: RE: DmNewRecord writes to Low mem?
>
> On Mon, 22 Mar 1999, Fawcett, Mitch wrote:
>
> > Put an ampersand (&) before the zero and your code should work. This
> > demonstrates what the function is looking for in terms of arguments. It
> > wants a pointer to the index number for the new record, not the index
> number
> > itself. Using &0 will insert the new record at the beginning of the
> > database.
> >
> > NewRecord = DmNewRecord(VitalSignsDB,&0,RecSize);
>
> Um, no, I wouldn't recommend this. CW may do something useful (generate a
> temporary int, assign zero to it, and return the address of that
> temporary), but I doubt it. &0 is meaningless in standard C. If you want a
> NULL pointer, please just use the NULL macro which is guaranteed to be
> cast in an appropriate fashion. If you want to pass in a pointer argument,
> you'll have to pass the address of a real variable:
>
> UInt idx;
> NewRecord = DmNewRecord(VitalSignsDB, &idx, RecSize);
>
> > > -----Original Message-----
> > > From: Murray Dowling [SMTP:[EMAIL PROTECTED]]
> > > Sent: Monday, March 22, 1999 5:05 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: DmNewRecord writes to Low mem?
> > >
> > > > The following snippet always generates a write to low memory error
> > > > on the DmNewRecord statement
> > >
> > > <snippet snipped>
> > >
> > > > // Get a new record of the proper size
> > > > NewRecord = DmNewRecord(VitalSignsDB,0,RecSize);
> > >
> > >
> > > The second parameter to DmNewRecord is a UIntPtr which should be
> > > pointing to the index of the position you wish to insert the record
> > > at. The actual index assigned is returned via this pointer. You are
> > > passing a null pointer. I think we see where the write to low memory
> > > is coming from.
> > >
> > > Hope this helps,
> > > Murray Dowling
> > > Deskfree Computing
> > > http://www.deskfree.com/
> >
> >
>
> --
> Kenneth Albanowski ([EMAIL PROTECTED], CIS: 70705,126)
>
>
