def store_chartformat(grbit = 0)   # :nodoc:
    record    = 0x1014         # Record identifier.
    length    = 0x0014         # Number of bytes to follow.
    reserved1 = 0x00000000     # Reserved.
    reserved2 = 0x00000000     # Reserved.
    reserved3 = 0x00000000     # Reserved.
    reserved4 = 0x00000000     # Reserved.
    # grbit                    # Option flags.
    icrt      = 0x0000         # Drawing order.

    header = [record, length].pack('vv')
    data   = [reserved1].pack('V')
    data  += [reserved2].pack('V')
    data  += [reserved3].pack('V')
    data  += [reserved4].pack('V')
    data  += [grbit].pack('v')
    data  += [icrt].pack('v')

    append(header, data)
  end
def store_chartformat(grbit = 0)   # :nodoc:
    record    = 0x1014         # Record identifier.
    length    = 0x0014         # Number of bytes to follow.
    reserved1 = 0x00000000     # Reserved.
    reserved2 = 0x00000000     # Reserved.
    reserved3 = 0x00000000     # Reserved.
    reserved4 = 0x00000000     # Reserved.
    # grbit                    # Option flags.
    icrt      = 0x0000         # Drawing order.

    header = [record, length].pack('vv')
    data   = [reserved1].pack('V')
    data  += [reserved2].pack('V')
    data  += [reserved3].pack('V')
    data  += [reserved4].pack('V')
    data  += [grbit].pack('v')
    data  += [icrt].pack('v')

    append(header, data)
  end
Write the CHARTFORMAT chart BIFF record. The parent record for formatting
 of a chart group.