Am Sonntag, den 21.12.2008, 21:32 -0500 schrieb Christopher Harvey:
> Hi Francois,
> try passing in a rectangle instead of a number. If you were passing in 0
> as in "NULL" that function doesn't take pointers, it takes a reference
> to a rectangle, that means you need to use an actual rectangle object
> and not a pointer to one or anything else.
>
> doing
>
> Rectangle myRect;
>
> drawing_area->get_window()->invalidate_rect(myRect, false) ;
>
>
> would work for example.
I know I'm a bit late, but for the case in question I'd just have used
drawing_area->queue_draw();
--Daniel
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