- gint stamp;
- gpointer seq; /* head of the list */
- gpointer _gtk_reserved1;
- GList *sort_list;
- gint n_columns;
- gint sort_column_id;
- GtkSortType order;
- GType *column_headers;
- gint length;
- GtkTreeIterCompareFunc default_sort_func;
- gpointer default_sort_data;
- GtkDestroyNotify default_sort_destroy;
- guint columns_dirty : 1;