DEF INPUT PARAMETER ipHandle        AS HANDLE           NO-UNDO.

    DEF VAR FeldName        AS CHAR                 NO-UNDO.
    
    IF FMut = FALSE THEN RETURN ''.

    IF NOT VALID-HANDLE(ipHandle)   THEN RETURN ''.
    IF ipHandle:TYPE = 'FRAME'      THEN RETURN ''.
    IF ipHandle:TYPE = 'WINDOW'     THEN RETURN ''.
    
    IF ipHandle:TYPE = 'EDITOR' THEN DO:
        ipHandle:INSERT-STRING(CHR(LASTKEY)).
        RETURN ''.
    END.

    FeldName = ipHandle:NAME.
/*     IF LOOKUP(FeldName, '{&LETZTES_FELD}', ',') > 0 THEN DO: */
/*         RETURN 'LEAVE'.                                      */
/*     END.                                                     */
    IF LOOKUP(FeldName, '{&ENABLED-FIELDS}', ' ') > 0 THEN DO:
        RETURN 'TAB'.
    END.
    IF LOOKUP(FeldName, '{&ENABLED-OBJECTS}', ' ') > 0 THEN DO:
        RETURN 'TAB'.
    END.
    FeldName = 'rowObject.' + FeldName.
    IF LOOKUP(FeldName, '{&ENABLED-FIELDS}', ' ') > 0 THEN DO:
        RETURN 'TAB'.
    END.
    IF LOOKUP(FeldName, '{&ENABLED-OBJECTS}', ' ') > 0 THEN DO:
        RETURN 'TAB'.
    END.

    RETURN ''.