Hi I need some help.
I'm trying to update a drawingarea, from a function, and then make the
update visible raising the
signal "expose_event" on that windowarea.
I'm raising a signal with:
void gtk_signal_emit_by_name (GtkObject *object,
const gchar *name,
...);
And I'm having a problem, when I use it this way:
gkt_signal_emit_by_name( drawingarea, "expose_event" );
It says:
Gtk-WARNING **: gtk_signal_collect_params(): invalid NULL
pointer for return argument type `gboolean'
And continues the execution, BUT DOESN'T emit the signal!
And when I use it this other way:
gkt_signal_emit_by_name( drawingarea, "expose_event", NULL );
or
gkt_signal_emit_by_name( drawingarea, "expose_event", TRUE );
It says:
Gdk-Message: ** ERROR **: sigsegv caught
Any hint on what happens? The problem is that I don't know how to use
gtk_signal_emit_by_name properly.
Thanks in advance.
Ssebasti�.
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