RegistryHelper::deleteValue

void RegistryHelper::deleteValue(wstring key, wstring valuename)
{
    HKEY keyHandle = openKey(key, KEY_SET_VALUE | KEY_WOW64_64KEY);

    LSTATUS status = RegDeleteValueW(keyHandle, valuename.c_str());

    RegCloseKey(keyHandle);

    if (status != ERROR_SUCCESS)
        throw RegistryException(L"Error while deleting registry value " + key + L"\\" + valuename + L": " + StringHelper::getSystemErrorString(status));
}