#include #include "test1.h" class test1member : public member{ public: void print(){ cout<<"Test1Member"<(new test1member); } void test1::registerr(){ test1member *s=dynamic_cast(tm.p); cout<<"Registering..."; s->print(); cout<(tm.p); cout<<"UnRegistering..."; s->print(); cout<(tm.p); cout<<"Printing..."; s->print(); cout<