C++ (Cpp) OpenEnumKey примеры использования

Пример #1

Файл: coinst.c Проект: OwenSmith/xenhid

static BOOLEAN
OpenBusKey(
    IN  PTCHAR  BusKeyName,
    OUT PHKEY   BusKey
    )
{
    BOOLEAN     Success;
    HKEY        EnumKey;
    HRESULT     Error;

    Success = OpenEnumKey(&EnumKey);
    if (!Success)
        goto fail1;

    Error = RegOpenKeyEx(EnumKey,
                         BusKeyName,
                         0,
                         KEY_READ,
                         BusKey);
    if (Error != ERROR_SUCCESS) {
        SetLastError(Error);
        goto fail2;
    }

    RegCloseKey(EnumKey);

    return TRUE;

fail2:
    Log("fail2");

    RegCloseKey(EnumKey);

fail1:
    Error = GetLastError();

    {
        PTCHAR  Message;

        Message = GetErrorMessage(Error);
        Log("fail1 (%s)", Message);
        LocalFree(Message);
    }

    return FALSE;
}

Пример #2

Файл: coinst.c Проект: pauldu/win-xen

static DECLSPEC_NOINLINE BOOLEAN
OpenPciKey(
    OUT PHKEY   Key
    )
{
    BOOLEAN     Success;
    HKEY        EnumKey;
    HRESULT     Error;

    Success = OpenEnumKey(&EnumKey);
    if (!Success)
        goto fail1;

    Error = RegOpenKeyEx(EnumKey,
                         "PCI",
                         0,
                         KEY_READ,
                         Key);
    if (Error != ERROR_SUCCESS) {
        SetLastError(Error);
        goto fail2;
    }

    RegCloseKey(EnumKey);

    return TRUE;

fail2:
    Log("fail2");

    RegCloseKey(EnumKey);

fail1:
    Error = GetLastError();

    {
        PTCHAR  Message;

        Message = GetErrorMessage(Error);
        Log("fail1 (%s)", Message);
        LocalFree(Message);
    }

    return FALSE;
}