Title Storage の blob メタデータを取得する

auto asyncBlock = std::make_unique<XAsyncBlock>();
asyncBlock->queue = queue;
asyncBlock->context = nullptr;
asyncBlock->callback = [](XAsyncBlock* asyncBlock)
{
    std::unique_ptr<XAsyncBlock> asyncBlockPtr{ asyncBlock };
    XblTitleStorageBlobMetadataResultHandle handle;
    HRESULT hr = XblTitleStorageGetBlobMetadataResult(asyncBlock, &handle);

    if (SUCCEEDED(hr))
    {
        if (blobMetadataResultHandle != nullptr)
        {
            XblTitleStorageBlobMetadataResultCloseHandle(blobMetadataResultHandle);
        }

        blobMetadataResultHandle = handle;
    }

};

HRESULT hr = XblTitleStorageGetBlobMetadataAsync(
    xboxLiveContext,
    scid,
    storageType,
    blobPath.c_str(),
    xboxUserId,
    skipItems,
    maxItems,
    asyncBlock.get()
);

if (SUCCEEDED(hr))
{
    asyncBlock.release();
}

XblTitleStorageBlobMetadataResultHandle handle = blobMetadataResultHandle;

const XblTitleStorageBlobMetadata* items;
size_t itemsSize;

HRESULT hr = XblTitleStorageBlobMetadataResultGetItems(handle, &items, &itemsSize);

XblTitleStorageBlobMetadataResultHandle handle = blobMetadataResultHandle;

bool hasNext;

HRESULT hr = XblTitleStorageBlobMetadataResultHasNext(handle, &hasNext);

XblTitleStorageBlobMetadataResultHandle handle = blobMetadataResultHandle;

auto asyncBlock = std::make_unique<XAsyncBlock>();
asyncBlock->queue = queue;
asyncBlock->context = nullptr;
asyncBlock->callback = [](XAsyncBlock* asyncBlock)
{
    std::unique_ptr<XAsyncBlock> asyncBlockPtr{ asyncBlock };
    XblTitleStorageBlobMetadataResultHandle handle{ nullptr };
    
    HRESULT hr = XblTitleStorageBlobMetadataResultGetNextResult(asyncBlock, &handle);
};

HRESULT hr = XblTitleStorageBlobMetadataResultGetNextAsync(handle, maxItems, asyncBlock.get());

if (SUCCEEDED(hr))
{
    asyncBlock.release();
}

XblTitleStorageBlobMetadataResultHandle handle = blobMetadataResultHandle;
XblTitleStorageBlobMetadataResultHandle duplicatedHandle;

HRESULT hr = XblTitleStorageBlobMetadataResultDuplicateHandle(handle, &duplicatedHandle);

XblTitleStorageBlobMetadataResultHandle handle = blobMetadataResultHandle;
XblTitleStorageBlobMetadataResultCloseHandle(handle);
blobMetadataResultHandle = nullptr;