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tbScan()
Search a value on a record of one object
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Syntax:

     tbScan( <oTbr>, <b2Eval> ) --> lEval

Parameters:

     <oTbr>     Object to use for the searching
     <b2Eval>   CODEBLOCK to eval. If .T. stop the scan

Returns:

     <lEval>    If .T. the value has been found

Description:

     Search a value on a record of one object
     
     N.B.  tbScan() change the current record

Example:

     LOCAL nRow := 0  // New browse
     oTbr := tbBrwNew( 0, 0, MAXROW(), MAXCOL() )
     
     // User code
     IF tbScan( oTbr, {||Cli->cCodCli=="00001"} )
        ? "Found CodCli"
     ENDIF

See also:

     tbBrwNew(), tbStab()