predicates onRadioButton_PlumasStateChanged : radioButton::stateChangedListener. clauses onRadioButton_PlumasStateChanged(_Source, _OldState, _NewState):- if _NewState = radioButton::selected then gb_Aves:setEnabled(true) else gb_Aves:setEnabled(false).
this es my code and when i tried to build send me syntax error. I dont know why.