class IUnknown
{
public:
- virtual ~IUnknown() {};
+ //virtual ~IUnknown() {};
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) = 0;
virtual ULONG STDMETHODCALLTYPE AddRef(void) = 0;
virtual ULONG STDMETHODCALLTYPE Release(void) = 0;