VideoSystemChangeListener.hh

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#ifndef VIDEOSYSTEMCHANGELISTENER_HH
#define VIDEOSYSTEMCHANGELISTENER_HH
 
namespace openmsx {
 
class VideoSystemChangeListener
{
public:
        virtual void preVideoSystemChange() noexcept = 0;
        virtual void postVideoSystemChange() noexcept = 0;
 
protected:
        ~VideoSystemChangeListener() = default;
};
 
} // namespace openmsx
 
#endif