myframe is sturdy wxVERTICAL wxEXPAND 0 wxSPLIT_VERTICAL dad_right_pane dad_left_pane 40 wxVERTICAL wxEXPAND 0 wxSPLIT_HORIZONTAL low_left_pane top_left_pane 40 wxVERTICAL wxVERTICAL wxVERTICAL wxEXPAND 0 wxSPLIT_HORIZONTAL low_right_pane top_right_pane 40 wxVERTICAL wxVERTICAL