sets the popup 's position using a popuppanel.positioncallback , and shows the popup . concode_field_sep MenuBar menuBar concode_elem_sep PopupPanel popupPanel concode_field_sep MenuItem addItem concode_elem_sep void hide concode_elem_sep void show concode_elem_sep void setPopupPosition
void function ( PopupPanel . PositionCallback arg0 ) { popupPanel . setPopupPositionAndShow ( arg0 ) ; }