# File control/EditProperties/EditProperties.rb, line 113
  def argument=(arg_info)
    case (arg_info[:type])
    when :string
      # nothing to do.
    when :text
      # nothing to do.
    when :integer
      # nothing to do.
    when :float
      # nothing to do.
    when :bool
      # nothing to do.
    when :select
      # nothing to do.
    when :checkset
      # nothing to do.
    when :radio
      # nothing to do.
    when :password
      # nothing to do.
    when :regexp
      # nothing to do.
    else
      raise "unknown argument type: #{arg_info[:type].inspect}"
    end
    @argument = arg_info
  end