Type:
Module
Constants:
HKEY_CLASSES_ROOT : 0x80000000
HKEY_CURRENT_USER : 0x80000001
HKEY_LOCAL_MACHINE : 0x80000002
HKEY_USERS : 0x80000003
HKEY_PERFORMANCE_DATA : 0x80000004
HKEY_PERFORMANCE_TEXT : 0x80000050
HKEY_PERFORMANCE_NLSTEXT : 0x80000060
HKEY_CURRENT_CONFIG : 0x80000005
HKEY_DYN_DATA : 0x80000006
REG_NONE : 0
REG_SZ : 1
REG_EXPAND_SZ : 2
REG_BINARY : 3
REG_DWORD : 4
REG_DWORD_LITTLE_ENDIAN : 4
REG_DWORD_BIG_ENDIAN : 5
REG_LINK : 6
REG_MULTI_SZ : 7
REG_RESOURCE_LIST : 8
REG_FULL_RESOURCE_DESCRIPTOR : 9
REG_RESOURCE_REQUIREMENTS_LIST : 10
REG_QWORD : 11
REG_QWORD_LITTLE_ENDIAN : 11
STANDARD_RIGHTS_READ : 0x00020000
STANDARD_RIGHTS_WRITE : 0x00020000
KEY_QUERY_VALUE : 0x0001
KEY_SET_VALUE : 0x0002
KEY_CREATE_SUB_KEY : 0x0004
KEY_ENUMERATE_SUB_KEYS : 0x0008
KEY_NOTIFY : 0x0010
KEY_CREATE_LINK : 0x0020
KEY_READ : STANDARD_RIGHTS_READ | KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS | KEY_NOTIFY
KEY_WRITE : STANDARD_RIGHTS_WRITE | KEY_SET_VALUE | KEY_CREATE_SUB_KEY
KEY_EXECUTE : KEY_READ
KEY_ALL_ACCESS : KEY_READ | KEY_WRITE | KEY_CREATE_LINK
REG_OPTION_RESERVED : 0x0000
REG_OPTION_NON_VOLATILE : 0x0000
REG_OPTION_VOLATILE : 0x0001
REG_OPTION_CREATE_LINK : 0x0002
REG_OPTION_BACKUP_RESTORE : 0x0004
REG_OPTION_OPEN_LINK : 0x0008
REG_LEGAL_OPTION : REG_OPTION_RESERVED | REG_OPTION_NON_VOLATILE | REG_OPTION_CREATE_LINK | REG_OPTION_BACKUP_RESTORE | REG_OPTION_OPEN_LINK
REG_CREATED_NEW_KEY : 1
REG_OPENED_EXISTING_KEY : 2
REG_WHOLE_HIVE_VOLATILE : 0x0001
REG_REFRESH_HIVE : 0x0002
REG_NO_LAZY_FLUSH : 0x0004
REG_FORCE_RESTORE : 0x0008
MAX_KEY_LENGTH : 514
MAX_VALUE_LENGTH : 32768

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.

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.