"Eric Gillespie, Jr." wrote:
>
> On Wed, Jan 05, 2000 at 10:02:31PM +0000,
> Peter Allen <[EMAIL PROTECTED]> wrote:
> > Unfortunatly by the time the button has been pressed, button_num
> > is always equal to db->num_buttons-1, so I always get the last entry.
>
> This is because you're passing the *address* of button_num, so of course
> you're callback is going to see the last value button_num held.
Why is it different passing the macro GINT_TO_GPOINTER(button_num)
which after the preprocessor has got its hands on it becomes
(void *)buttons_num
different from &button_num, after all they point to the same thing.
(
typedef void* gpointer;
#define GINT_TO_POINTER(i) ((gpointer) (i))
)
btw the example was an example of what was wrong, not what I thought
should be right and wasn't...
Thanks very much for all the help,
Peter Allen
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