On Tuesday 02 November 2004 01:08, Neil Zanella wrote: > I have a basic question which I would like to ask: > > The function prototype for gtk_main_quit() is: > > void gtk_main_quit(void); > > The GtkObject signal prototype for the "destroy" callback is: > > void user_function(GtkObject *object, gpointer user_data); > > Yet I can connect the two as follows: > > g_signal_connect(widget, "destroy", G_CALLBACK(gtk_main_quit), NULL); > > My question is, is it always legal to connect a signal to a function > with less parameter arguments than those described in the API? Yes, it's fine to call a function with more arguments than it takes (in C). Google for 'C calling convention' and 'caller clears stack' for details. Cheers -Tim _______________________________________________ gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
