(form "00810" (size 40  6)
  (help "00810_TIP_0")
  (heading "SET SNAP MODE")

  (label (position 2 3) (text "Snap mode"))
  (field "snap_mode" (position 20 3) 
    (display_length 10) (input allowed) (max_length 10)
    (value_in "line" "off" "on" "point" "triangle")
  )

  (default_buttons)
)