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Par2: Trapping Errorcode() 40 -- duplicate record message
1999-10-28 -- Charles Ballard
 
legacy: "When Completed, Before Writing to Disk" ABC: "TakeCompleted, before parent" Use the 'Duplicate' function to determine if writing the current record would create a duplicate key or you could write your own add(file) statement and then check for DupKeyErr.

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