WinINetのキャッシュグループの列挙

std::vector<GROUPID> EnumCacheGroupIDs()

{

    std::vector<GROUPID> GroupIDs;

    GROUPID GroupID;

    HANDLE hFind = ::FindFirstUrlCacheGroup(

        0, CACHEGROUP_SEARCH_ALL, NULL, 0, &GroupID, 0);

    if (hFind == NULL)

    {

        return GroupIDs;

    }

    do

    {

        GroupIDs.push_back(GroupID);

    } while(::FindNextUrlCacheGroup(hFind, &GroupID, 0));

    return GroupIDs;

}