Nick Hammond wrote:
>
> [...]
> and then goes on to talk about the CALLBACK_PROLOGUE and
> CALLBACK_EPILOGUE macros.
>
> [...]
> Have now inserted the macros (which at least don't break
> anything) but would be interested if anyone can confirm
> that they really are necessary and, if so, in what
> circumstances.
To see an immediate case try accessing globals in a custom
list-drawing callback that doesn't have the CALLBACK_* macros.
This also shows up in form event handlers when they receive a
frmCloseForm event, IIRC.
Regards,
Daniel.
