TMPL_128_BBTi.txt
Signature: 4-byte integer (char)
number of items: list (2-byte one-based item count)
  name: pstring (1-byte length; 32 bytes reserved)
  path: pstring (1-byte length; 66 bytes reserved)
  engine type: 4-byte integer (char)
  engine ID: 4-byte integer (decimal)
  caller ID: 4-byte integer (decimal)
  menu ID: 4-byte integer (decimal)
  activation date: 4-byte integer (hex)
  (bit field)
    button hidden: boolean
    requires edit window: boolean
    space before button: boolean
    “option” for options: boolean
    is a popup: boolean
    can drag from: boolean
    can drag to: boolean
    use custom call: boolean
  (bit field)
    use Pascal call: boolean
    reserved: boolean
    requires changeable window: boolean
    can accept file drags: boolean
    popup button click: boolean
    is a button: boolean
    call base for popup: boolean
    button is disabled: boolean
  help index: 1-byte integer (decimal)
  popup item: 1-byte integer (decimal)
  top left: 4-byte integer (hex)