(form "00603" (size 43  6)
  (help "00603_TIP_0")
  (heading "SELECT PFDB DATABASE")
  (label (position  2  3) (text "PFDB Database"))
  (field "dbname" (position 17  3) (display_length 20) (input allowed)
    (max_length 40)
    (translate lower) (null disallowed)
    (file (extension trim "*.pfd"))
    (help "00603_TIP_1"))
  (default_buttons)
)