Figure 6: ResultIOU class for sample application
#ifndef RESULTIOU_H #define RESULTIOU_H #include "error.h" struct IResultIOU; class IOUSink; class ResultIOU : public SupportsErrorInfo { friend IOUSink; public: ResultIOU(IResultIOUReadable* pResultIOU=0); ResultIOU(const ResultIOU&); virtual ~ResultIOU(); ResultIOU& operator=(const ResultIOU& rhs); VARIANT Redeem(); protected: virtual void getErrorInfoParams(IUnknown *&pUnk, const IID *&riid) const; virtual void ResultIOUComplete() {} private: void Close(IResultIOUReadable* pResultIOU); IResultIOUReadable *pResultIOU_; friend class Request; };