DBEVALINFO
 Information needed for code block evaluation on each row of work area
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 Structure

     typedef struct
     {
        ITEM        itmBlock;
        DBSCOPEINFO dbsci;
     } DBEVALINFO;
     
     typedef DBEVALINFO far * LPDBEVALINFO;

 Elements

     itmBlock

        Contains a code block to be evaluated (with evalBlock()) on each row
        of the work area that is in the range defined by dbsci.

     dbsci

        Contains a data structure limiting the evaluation of itmBlock (see
        DBSCOPEINFO).

     Warning!  You should perform code block evaluations with great
     caution.  Save any states that are likely to change as a result of
     re-entrance, so you can restore them after the code evaluation.

 Files  Header file is Rdd.api.

 Used By    dbEval()