RegistryHelper::keyExists

bool RegistryHelper::keyExists(wstring key)
{
    bool result;

    HKEY rootKey;
    wstring subKey = splitKey(key, &rootKey);

    HKEY keyHandle;
    result = (RegOpenKeyExW(rootKey, subKey.c_str(), 0, KEY_QUERY_VALUE | KEY_WOW64_64KEY, &keyHandle) == ERROR_SUCCESS);

    if (result)
        RegCloseKey(keyHandle);

    return result;
}