> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# XStoreDownloadAndInstallPackagesResultCount

> XStoreDownloadAndInstallPackagesResultCount

# XStoreDownloadAndInstallPackagesResultCount

取得 [XStoreDownloadAndInstallPackagesResult](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesresult) 將傳回之結果中的項目數目。

## 語法

```cpp theme={null}
HRESULT XStoreDownloadAndInstallPackagesResultCount(  
         XAsyncBlock* async,  
         uint32_t* count  
)  
```

### 參數

*async*   \_In\_\
類型：[XAsyncBlock\*](/zh-TW/reference/system/xasync/structs/xasyncblock)

傳遞給 [XStoreDownloadAndInstallPackagesAsync](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesasync) 的 XAsyncBlock。[XAsyncBlock](/zh-TW/reference/system/xasync/structs/xasyncblock) 可用來輪詢呼叫的狀態並擷取呼叫結果。如需詳細資訊，請參閱 [XAsyncBlock](/zh-TW/reference/system/xasync/structs/xasyncblock)。

*count*   \_Out\_\
類型：uint32\_t\*

成功時，包含 [XStoreDownloadAndInstallPackagesResult](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesresult) 將傳回之結果中的項目計數。

### 傳回值

類型：HRESULT

成功時傳回 S\_OK；否則傳回錯誤碼。

## 備註

此結果函式可讓您擷取呼叫 [XStoreDownloadAndInstallPackagesAsync](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesasync) 時所下載的安裝套件數目。因此，應在呼叫 [XStoreDownloadAndInstallPackagesAsync](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesasync) 之後呼叫此函式，通常是在回呼函式的內容中。如需使用範例，請參閱 [XStoreDownloadAndInstallPackagesAsync](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesasync)。

## 需求

**標頭：** XStore.h (包含在 XGameRuntime.h 中)

**程式庫：** xgameruntime.lib

**支援的平台：** Windows、XBOX One 系列主機和 XBOX Series 主機

## 另請參閱

[XStore](/zh-TW/reference/system/xstore/xstore_members)\
[XStoreDownloadAndInstallPackagesAsync](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesasync)\
[XStoreDownloadAndInstallPackagesResult](/zh-TW/reference/system/xstore/functions/xstoredownloadandinstallpackagesresult)


## Related topics

- [XStoreDownloadAndInstallPackagesResultCount](/reference/system/xstore/functions/xstoredownloadandinstallpackagesresultcount.md)
- [XStoreDownloadAndInstallPackagesResult](/reference/system/xstore/functions/xstoredownloadandinstallpackagesresult.md)
- [XStoreDownloadAndInstallPackagesAsync](/reference/system/xstore/functions/xstoredownloadandinstallpackagesasync.md)
- [XStoreQueryPackageIdentifier](/reference/system/xstore/functions/xstorequerypackageidentifier.md)
- [XStoreShowProductPageUIResult](/reference/system/xstore/functions/xstoreshowproductpageuiresult.md)