#include <iostream>
 
class Image
{
public:
    virtual void OnClicked() const
    {
        std::cout << __PRETTY_FUNCTION__ << '\n';
    }
};
 
class Photo : public Image
{
public:
    virtual void OnClicked() const
    {
        std::cout << __PRETTY_FUNCTION__ << '\n';
    }
};
 
typedef void (Image::*Fn)() const;
 
 
int main()
{
    Image *pObj = new Image;
    Fn pfn = &Image::OnClicked;
    (pObj->*pfn)();
 
    Photo photo;
    (photo.*pfn)();
    return 0;    
}

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