;
        
        virtual /* [helpstring] */ HRESULT STDMETHODCALLTYPE 
            SetActiveDiscRecorder( 
            /* [in] */ IDiscRecorder *pRecorder) = 0;
        
        virtual /* [helpstring] */ HRESULT STDMETHODCALLTYPE 
            ClearFormatContent( void) = 0;
        
        virtual /* [helpstring] */ HRESULT STDMETHODCALLTYPE 
            ProgressAdvise( 
            /* [in] */ IDiscMasterProgressEvents *pEvents,
            /* [retval][out] */ UINT_PTR *pvCookie) = 0;
        
        vi