# File lib/spreadsheet/workbook.rb, line 155
   def store_xf(style)
      name   = 0x00E0
      length = 0x0010

      ifnt      = 0x0000
      ifmt      = 0x0000
      align     = 0x0020
      icv       = 0x20C0
      fill      = 0x0000
      brd_line  = 0x0000
      brd_color = 0x0000

      header = [name, length].pack("vv")
      fields = [ifnt,ifmt,style,align,icv,fill,brd_line,brd_color]
      data   = fields.pack("vvvvvvvv")

      append(header, data);
   end