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dfKeyEmpty()
Generates a codeblock with an empty key
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Syntax:

     dfKeyEmpty() --> bKey

Parameters:

     NONE

Returns:

     <bKey> Empty key

Description:

     Generates an empty key to use for positioning on file records

Example:

     // Clients file
     // 1' index on Clienti->cCodCli  Char(6)
     dfKeyEmpty() // Returns ""
     
     // Select the 2nd index
     ORDSETFOCUS(2)
     
     // 2' index on Clienti->nAnno     Num(6)
     dfKeyEmpty() // Returns 0

See also:

     dfNullify()