Hi try GtkTextBuffer * log_buffer = gtk_text_buffer_new(NULL); // Here log_buffer != NULL g_signal_connect ((gpointer) item_cut, "activate", G_CALLBACK (on_cut_activate), (gpointer) log_buffer); Regards luiz _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list