uses imenulistener2 to do some processing before menuabouttoshow and after menuabouttohide the swt.hide event . concode_field_sep IMenuListener2 hideHelper concode_elem_sep MenuManagerEventHelper INSTANCE concode_elem_sep IMenuListener2 showHelper concode_field_sep void showEventPreHelper concode_elem_sep IMenuListener2 getShowHelper concode_elem_sep IMenuListener2 getHideHelper concode_elem_sep void hideEventPostHelper concode_elem_sep void showEventPostHelper concode_elem_sep MenuManagerEventHelper getInstance concode_elem_sep void setShowHelper concode_elem_sep void hideEventPreHelper
void function ( IMenuListener2 arg0 ) { this . hideHelper = arg0 ; }