# File lib/chef/util/windows/net_user.rb, line 160
  def user_modify(&proc)
    user = get_info
    user[:last_logon] = user[:units_per_week] = 0 #ignored as per USER_INFO_3 doc
    user[:logon_hours] = nil #PBYTE field; \0 == no changes
    proc.call(user)
    set_info(user)
  end