Win32::Registry#each

# File tmp/rubies/ruby-3.0.5/ext/win32/lib/win32/registry.rb, line 566
def each_value
  index = 0
  while true
    begin
      subkey = API.EnumValue(@hkey, index)
    rescue Error
      break
    end
    subkey = export_string(subkey)
    begin
      type, data = read(subkey)
    rescue Error
    else
      yield subkey, type, data
    end
    index += 1
  end
  index
end