if err != nil {
		return 0, err
	}
	return Key(subkey), nil
}

// ReadSubKeyNames returns the names of subkeys of key k.
func (k Key) ReadSubKeyNames() ([]string, error) {
	// RegEnumKeyEx must be called repeatedly and to completion.
	// During this time, this goroutine cannot migrate away from
	// its current thread. See #49320.
	runtime.LockOSThread()
	defer runtime.UnlockOSThread()