> i often see errors that look like: > > Gtk-CRITICAL **: file gtkpixmap.c: line 97 (gtk_pixmap_new): assertion > `val != NULL' failed. > > at this point, i realize they're harmless. but i'm still curious about > what causes them. what's the usual cause for errors like this? No, they're not harmless. There's a bug in your code, and GTK+ is just graceful by hinting you about it. It even tells you what went wrong: One of the parameters given to gtk_pixmap_new() was NULL, which isn't allowed. Matthias _______________________________________________ gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list