取得社交關係

auto asyncBlock = std::make_unique<XAsyncBlock>(); 
asyncBlock->queue = queue;
asyncBlock->context = nullptr;
asyncBlock->callback = [](XAsyncBlock* asyncBlock)
{
    std::unique_ptr<XAsyncBlock> asyncBlockPtr{ asyncBlock }; // Take over ownership of XAsyncBlock*.
    HRESULT hr = XblSocialGetSocialRelationshipsResult(asyncBlock, &state.socialResultHandle);

    // Be sure to call XblSocialRelationshipResultCloseHandle when the result object is no longer needed.
};

HRESULT hr = XblSocialGetSocialRelationshipsAsync(
    xboxLiveContext,
    xboxUserId,
    socialRelationshipFilter,
    0,
    0,
    asyncBlock.get()
);

if (SUCCEEDED(hr))
{
    // The call succeeded, so release the std::unique_ptr ownership of XAsyncBlock* because the callback will take over ownership.
    // If the call fails, std::unique_ptr will keep ownership and delete XAsyncBlock*.
    asyncBlock.release();
}

const XblSocialRelationship* relationships = nullptr;
size_t relationshipsCount = 0;
HRESULT hr = XblSocialRelationshipResultGetRelationships(state.socialResultHandle, &relationships, &relationshipsCount);

LogToFile("Got %u SocialRelationships:", relationshipsCount);
for (size_t i = 0; i < relationshipsCount; ++i)
{
    LogToFile("Xuid = %u, isFollowingCaller = %u", relationships[i].xboxUserId, relationships[i].isFollowingCaller);
}

bool hasNext{ false };
HRESULT hr = XblSocialRelationshipResultHasNext(state.socialResultHandle, &hasNext);

if (hasNext)
{
    auto asyncBlock = std::make_unique<XAsyncBlock>(); 
    asyncBlock->queue = queue;
    asyncBlock->context = nullptr;
    asyncBlock->callback = [](XAsyncBlock* asyncBlock)
    {
        std::unique_ptr<XAsyncBlock> asyncBlockPtr{ asyncBlock }; // Take over ownership of XAsyncBlock*.
        // Close the handle to the previous page of results.
        if (state.socialResultHandle)
        {
            XblSocialRelationshipResultCloseHandle(state.socialResultHandle);
        }
        HRESULT hr = XblSocialRelationshipResultGetNextResult(asyncBlock, &state.socialResultHandle);
    };

    uint32_t maxItems = 100;
    HRESULT hr = XblSocialRelationshipResultGetNextAsync(xboxLiveContext, state.socialResultHandle, maxItems, asyncBlock.get());
    if (SUCCEEDED(hr))
    {
        // The call succeeded, so release the std::unique_ptr ownership of XAsyncBlock* because the callback will take over ownership.
        // If the call fails, std::unique_ptr will keep ownership and delete XAsyncBlock*.
        asyncBlock.release();
    }
}