open(hkey, subkey, desired = KEY_READ, opt = REG_OPTION_RESERVED)public
— Registry.open(key, subkey, desired = KEY_READ, opt = REG_OPTION_RESERVED)
— Registry.open(key, subkey, desired = KEY_READ, opt = REG_OPTION_RESERVED) { |reg| … }
Open the registry key subkey under key. key is Win32::Registry object of parent key. You can use predefined key HKEY_* (see Constants) desired and opt is access mask and key option. For detail, see the MSDN. If block is given, the key is closed automatically.
