def store_dataformat(series_index, series_number, point_number)   # :nodoc:
    record        = 0x1006     # Record identifier.
    length        = 0x0008     # Number of bytes to follow.
    # series_index             # Series index.
    # series_number            # Series number. (Same as index).
    # point_number             # Point number.
    grbit         = 0x0000     # Format flags.

    store_simple(record, length, point_number, series_index, series_number, grbit)
  end
def store_dataformat(series_index, series_number, point_number)   # :nodoc:
    record        = 0x1006     # Record identifier.
    length        = 0x0008     # Number of bytes to follow.
    # series_index             # Series index.
    # series_number            # Series number. (Same as index).
    # point_number             # Point number.
    grbit         = 0x0000     # Format flags.

    store_simple(record, length, point_number, series_index, series_number, grbit)
  end
Write the DATAFORMAT chart BIFF record. This record specifies the series
 that the subsequent sub stream refers to.