procedure setDateFormat(format : String);

The functions setDateFormat() and setDateDelimiter() defines a date format which will be used when you get or date as a string.
The delimiter can be any. Usually ./-
Formats are:

• dmy : day-month-year
• mdy : month-day-year
• ymd : year-month-day
• asis : year-month-day without delimiter, i.e. YYYYMMDD

procedure setDateDelimiter(delimiter : char);

begin
    // your code
    dbf.setDateFormat('dmy');
    dbf.setDateDelimiter('/');
    // your code
end;