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Note: Since this is an ISAM function, all locks can be released with LockISAM(ctFREE).
BAT_LOK_RED
With this option, a read lock will be placed on each record. This lock prevents other users from acquiring a write (update) lock on this record. If a lock cannot be obtained on a particular record then it will not be read. The PKEYREQ value bavail specifies the number of records that have been locked successfully. If bavail is less than btotal, not all records were locked.
BAT_LOK_WRT
Similar to BAT_LOK_RED, except that a write (update) lock will be acquired.
Default
No locks will be acquired.
See also:
