Win32::Registry::Constants

For detail, see the MSDN.

— HKEY_*

Predefined key ((*handle*)).
These are Integer, not Win32::Registry.

— REG_*

Registry value type.

— KEY_*

Security access mask.

— KEY_OPTIONS_*

Key options.

— REG_CREATED_NEW_KEY

— REG_OPENED_EXISTING_KEY

If the key is created newly or opened existing key.
See also Registry#disposition method.