Sending a signal to a Canvas

Pascal Brisset <[email protected]>
Newsgroups gmane.comp.lang.ocaml.lib.gtk
Message-ID <[email protected]> 
Hi,

I'm desperately searching for a way to send a signal to a Canvas. I'm 
trying to use the GtkSignal.emit_unit function applied to
canvas@as_widget . Unfortunately, I'm not able to find any signal to 
send: There is no signal available in GtkBase.Widget.Signals
with the "unit" type.

Thanks for your help

--Pascal
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