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Com 错误:QueryInterface';:函数不接受1个参数_Com - Fatal编程技术网

Com 错误:QueryInterface';:函数不接受1个参数

Com 错误:QueryInterface';:函数不接受1个参数,com,Com,GFXComShapeObjectsLib::IAIFileReaderPtr spAIFileReader m_pObj->查询接口(&spAIFileReader) 错误C2660:'CAIFileReader::QueryInterface':函数不接受1个参数 如何解决?QueryInterface应该有两个参数,一个是查询接口的标识符,一个是接收请求的接口指针的指针变量的地址。您可以在线参考MSDN:

GFXComShapeObjectsLib::IAIFileReaderPtr spAIFileReader

m_pObj->查询接口(&spAIFileReader)

错误C2660:'CAIFileReader::QueryInterface':函数不接受1个参数


如何解决?

QueryInterface应该有两个参数,一个是查询接口的标识符,一个是接收请求的接口指针的指针变量的地址。您可以在线参考MSDN: