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True if the unlock operation was performed, False otherwise.
Identifier of the file to unlock, defined by fOpen or fCreate.
Position of the first byte (character) to unlock (0 corresponds to the first byte of the file).
Number of bytes (characters) to unlock.
The unlock operation was not performed
Unlocking a file
Position in the file
Operating mode in Windows Vista (and later)
Last update: 02/26/2021
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All you have to do is configure your product as follows: