- accept_position
- add1
- add2
- cancel_position
- cycle_child_focus
- cycle_handle_focus
- get_child1
- get_child2
- get_handle_window
- get_position
- get_wide_handle
- max_position
- min_position
- move_handle
- pack1
- pack2
- position
- position_set
- set_position
- set_wide_handle
- toggle_handle_focus
- wide_handle