In reply to Mahesh K:
Function f1 is never overriden. Even after handle assignment base object is made to call f1 which is only in base class which displays ADD_FUNCTION.Instead f2 write f1 in extended class for polymorphism.
In reply to Mahesh K:
Function f1 is never overriden. Even after handle assignment base object is made to call f1 which is only in base class which displays ADD_FUNCTION.Instead f2 write f1 in extended class for polymorphism.