Re: Passing Data to Callbacks

[Adam Tee <eenajt electeng leeds ac uk>]

On Friday 01 Feb 2002 9:48 am, you wrote:
> Hello,
>
> Are you sure that you struct scoreinfo si is allocated correctly and that
> it's not NULL in your callback ?
> Try to test the value of your gpointer in the callback to know if it's not
> NULL

It's wasn't NULL but I've solved the problem.
I was using the wrong callback form. 

I should have been using

void unhighlight (GtkWidget *widget, gpointer callback_data)

Not,
void unhighlight (gpointer callback_data,GtkWidget * widget)

Adam