c++ - StgOpenStorageEx returns STG_E_FILEALREADYEXISTS -

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i struggling attempting find out why stgopenstorageex returns stg_e_filealreadyexists on compound document when opening readonly. didn't make sense. file there , wasn't trying create anything. open up. couldn't find answer online thought share answer found here.

stgopenstorageex returns stg_e_filealreadyexists when file not compound document.

in situation having problem encrypting , decrypting content compound document creating invalid. wasn't compound document @ all.


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