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How a judgment. XLSXif the file encryption? RRS feed

  • Question

  • If there is a encrypted. XLSX documents and a unencrypted. XLSX document, I this how through the programming detection if a file encryption? And to be able to give me a realization method, are looking forward to explain to me!!!! Thank you!
    Tuesday, January 17, 2012 12:58 AM

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