how to lock and unlock chosen files in


  • I would like to create a program which able to lock several files from unauthorized person to use and unlock it when the authorized person wants to use. Please help me on this in Thanks.
    Wednesday, July 28, 2010 7:56 AM


  • i had read through these links..

    so far, i am using fingerprint to verify the user. fyi, i can lock a file but not files at this moment :(

    thus, i am seeking help from you.

    Next time, give more detail about when posting a question. I taught you want to lock executable file, that i was reason i gave you all those links.

    "fyi, i can lock a file but not files at this moment"  Can explain this bold line ?  if you can lock a file, then implements the method to lock multiple files unless your meaning is totally differ from my thinking

    Lock txt file is just a waste of time, locking file does not prevent copy or rename.  If you really want to protect the file, either you encrypt it or create your own custom file type that will only open within your program.




    Wednesday, July 28, 2010 3:08 PM

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