다형성과 tr1::shared_ptr을 이용한 벡터 사용

#include
#include
#include
#include

using namespace std;

class Window{

public:

    virtual void onResize(){num = 1;}
    int getNum() const { return num;}
    virtual void get() const{ cout << "Window" << endl;}
protected:

    int num;
};

class SpecialWindow: public Window{

public:
    //virtual void onResize(){ static_cast(*this).onResize();}
    //virtual void onResize(){ Window::onResize();}
    virtual void onResize(){ num = 2;}

    virtual void get() const { cout << "SpecialWindow" << endl;}

private:
};

class ResearchWindow: public Window{

public:
    virtual void get() const { cout << "ResearchWindow" << endl;}
};

typedef vector > VPW;

int main(){


    tr1::shared_ptr sw(new SpecialWindow());
    tr1::shared_ptr rw(new ResearchWindow());

    //객체 얻기
    (*sw).onResize();
    cout << (*sw).getNum() << endl;

    VPW vpw;
    vpw.push_back(sw);
    vpw.push_back(rw);
    vpw.push_back(tr1::shared_ptr(new SpecialWindow()));
    vpw.push_back(tr1::shared_ptr(new Window()));

    for(VPW::iterator iter = vpw.begin(); iter != vpw.end(); ++iter)
    {
            //실제 객체에서 get()함수 호출
            iter->get()->get();
    }

}