STD_METHODIMP CMyTransformFilter::NonDelegatingQueryInterface(REFIID riid, void** ppv) { CheckPointer(ppv, E_POINTER); if (riid == IID_IBaseFilter) return GetInterface((IBaseFilter*)this, ppv); else if (riid == IID_ITransformFilter) return GetInterface((ITransformFilter*)this, ppv); // Add other interfaces here if necessary. *ppv = NULL; return E_NOINTERFACE; }
class CMyTransformFilter : public CTransformFilter { public: DECLARE_IUNKNOWN STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv); visualizaciones para reproductor de windows media work
CMyTransformFilter::CMyTransformFilter(LPCTSTR pName, LPUNKNOWN pUnk, REFCLSID clsid) : CTransformFilter(pName, pUnk, clsid) { } void** ppv) { CheckPointer(ppv
CMyTransformFilter(LPCTSTR pName, LPUNKNOWN pUnk, REFCLSID clsid); ~CMyTransformFilter(); REFCLSID clsid) : CTransformFilter(pName