Urgent help on expose-event under gtk-2.0 win32

[Matteo Frigerio <drhammerit yahoo it>]

Hello at all the list 
I have a big problem: My program use the
"expose-event"
to draw a rectangle around a widget (the code is
gtk_signal_connect_after(obj, "expose-event", myfunc,
mydata)).
All works so good under Linux (the result is like
glade).
But under win32 don't go. Someone can help me?

Thanks 

        Dr Hammer


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