void Program::Main(Array<String>* args){
Base* b = new Base();
Child1* c = new Child1();
Child2* c2 = new Child2();
Base* b2 = c;
Base* b3 = c2;
b->Virtual();
b->NonVirtual();
b2->Virtual();
b2->NonVirtual();
b3->Virtual();
b3->NonVirtual();
c->Virtual();
c->NonVirtual();
c2->Virtual();
c2->NonVirtual();
}
