GtkIconSource ();--
free() get_direction() get_direction_wildcarded() get_filename() get_icon_name() get_pixbuf() get_size() get_size_wildcarded() get_state() get_state_wildcarded() set_direction() set_direction_wildcarded() set_filename() set_icon_name() set_pixbuf() set_size() set_size_wildcarded() set_state() set_state_wildcarded()