QL>    class A
QL>    {
QL>        protected int _p;
QL>        public virtual int P
QL>        {
QL>            get
QL>            {
QL>                return 1;
QL>            }
QL>            set { }
QL>        }
QL>    }

QL>    class B : A
QL>    {
QL>        public override int P
QL>        {
QL>            set
QL>            {
QL>                _p = value;
QL>            }
QL>        }
QL>    }
QL>