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FldFun

Assign before/after functions to current entry field.

Header File.....TCXLent.h

Prototype.......IntT CTYP FldFun(VfvCP bf, VfvCP af);

Source File.....ENT\FLDFUN.C

Arguments.......bf -  Before function
                af -  After function

Returns.........ERR_NUL  -  No Error
                ERR_ARG  -  Argument Failure
                   TcxlErr contains:
                   W_NOACTIVE  -  No Active Window
                   W_NOINPDEF  -  No Input Fields Defined

Notes...........Assigns "before" and "after" function pointers to the input
                field just defined.  The call to this function must appear
                immediately after the call to the EntFld() to which it
                relates.  During user input, when the user enters the
                field, the before function gets called.  When the user
                leaves the validated field, the after function gets called.
                This powerful feature allows you to do some pretty advanced
                stuff with input fields, but must be used very carefully.