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# XblMultiplayerGetActivitiesForUsersResultCount

> XblMultiplayerGetActivitiesForUsersResultCount

# XblMultiplayerGetActivitiesForUsersResultCount

返される [XblMultiplayerActivityDetails](/reference/live/xsapi-c/multiplayer_c/structs/xblmultiplayeractivitydetails) オブジェクトの数を取得します。

## 構文

```cpp theme={null}
HRESULT XblMultiplayerGetActivitiesForUsersResultCount(  
         XAsyncBlock* async,  
         size_t* activityCount  
)  
```

### パラメーター

*async*   \_In\_\
型: XAsyncBlock\*

この操作用の `XAsyncBlock`。

*activityCount*   \_Out\_\
型: size\_t\*

返されるアクティビティ オブジェクトの数。

### 戻り値

型: HRESULT

この API 操作の HRESULT 戻り値コード。

## 要件

**ヘッダー:** multiplayer\_c.h

**ライブラリ:** Microsoft.Xbox.Services.14x.GDK.C.lib

## 関連項目

[multiplayer\_c](/reference/live/xsapi-c/multiplayer_c/multiplayer_c_members)


## Related topics

- [XblMultiplayerGetActivitiesForUsersResult](/ja-jp/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayergetactivitiesforusersresult.md)
- [XblMultiplayerGetActivitiesWithPropertiesForUsersResult](/ja-jp/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayergetactivitieswithpropertiesforusersresult.md)
- [XblMultiplayerGetActivitiesForSocialGroupResultCount](/ja-jp/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayergetactivitiesforsocialgroupresultcount.md)
- [XblMultiplayerGetActivitiesWithPropertiesForUsersResultSize](/ja-jp/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayergetactivitieswithpropertiesforusersresultsize.md)
- [XblMultiplayerActivityGetActivityResult](/ja-jp/reference/live/xsapi-c/multiplayer_activity_c/functions/xblmultiplayeractivitygetactivityresult.md)