HRESULT XPackageChangeChunkInstallOrder(  
        const char* packageIdentifier,  
        uint32_t selectorCount,  
        XPackageChunkSelector* selectors
)  

HRESULT PrioritizeChunk( 
    XTaskQueueHandle queue, uint32_t chunkId, XPackageInstallationMonitorHandle* monitor) 
{ 
    char id[XPACKAGE_IDENTIFIER_MAX_LENGTH]; 
 
    *monitor = nullptr; 
    HRESULT hr = XPackageGetCurrentProcessPackageIdentifier(_countof(id), id); 
    if (FAILED(hr)) return hr; 
 
    XPackageChunkSelector selector; 
    selector.type = XPackageChunkSelectorType::Chunk; 
    selector.chunkId = chunkId; 
 
    hr = XPackageCreateInstallationMonitor(id, 1, &selector, 1000, queue, monitor); 
 
    if (SUCCEEDED(hr)) 
    { 
        XPackageInstallationProgress progress; 
        XPackageGetInstallationProgress(*monitor, &progress); 
    }

    if (!progress.completed) 
    { 
        hr = XPackageChangeChunkInstallOrder(id, 1, &selector); 
    } 
 
    if (progress.completed || FAILED(hr)) 
    { 
        XPackageCloseInstallationMonitorHandle(*monitor); 
        *monitor = nullptr; 
    } 
 
    return hr; 
}