open

â ::open(key, subkey, desired = KEY_READ, opt = REG_OPTION_RESERVED)

â ::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.