Dynamically create on object of type C++

  c++

I have a method which returns pointer of one of three relative classes:

Base* Base::search_by_name(string name) {
    children_iterator = children.begin();
    while (children_iterator != children.end()) {
        if (name == (*children_iterator)->getName()) {
            switch ((*children_iterator)->class_number) {
            case 1: return ((Derived*)*children_iterator);
            case 2: return ((Derived2*)*children_iterator);
            case 3: return ((Derived3*)*children_iterator);
            }

And I need to create an object exactly of the class, which class` pointer method returns

     bool Base::set_connection(int number, string& process_object) {
        typeid(root->search_by_name(process_object)) myobject; // Derived myobject, Derived2 myobject or Derived3 myobject
        if (myobject != NULL) {
            string signal = this->getName();
            myobject->get_connection (number, signal); //each class has its own realisation of get_connection

I tryed the line typeid(root->search_by_name(process_object)) myobject;But it`s obviously silly. Could you advise something?

Source: Windows Questions C++

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