头文件
public:
STDMETHOD(GetEsamVersion)(BSTR* pVersion,int* nRet);
在项目.idl文件里添加
interface ITool : IDispatch
{
[id(9), helpstring("method GetEsamVersion")] HRESULT GetEsamVersion([in,out]BSTR* pVersion, [out,retval]int* nRet);
};
cpp文件
STDMETHODIMP CTool::GetEsamVersion(BSTR* pVersion,int* nRet)
{
}