> ## 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.

# XblMultiplayerEventArgsMembersCount

> XblMultiplayerEventArgsMembersCount

# XblMultiplayerEventArgsMembersCount

擷取 `XblMultiplayerEventType::MemberJoined` 與 `XblMultiplayerEventType::MemberLeft` 事件的其他資訊。

## 語法

```cpp theme={null}
HRESULT XblMultiplayerEventArgsMembersCount(  
         XblMultiplayerEventArgsHandle argsHandle,  
         size_t* memberCount  
)  
```

### 參數

*argsHandle*   \_In\_\
類型：[XblMultiplayerEventArgsHandle](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/handles/xblmultiplayereventargshandle)

多人遊戲事件的事件引數控制代碼。

*memberCount*   \_Out\_\
類型：size\_t\*

[XblMultiplayerEventArgsMembers](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers) 由呼叫端配置之 `members` 陣列的大小。

### 傳回值

類型：HRESULT

此 API 作業的 HRESULT 傳回碼。

## 備註

在呼叫 [XblMultiplayerEventArgsMembers](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers) 函式之前，請先呼叫此函式，以傳回您必須為 [XblMultiplayerEventArgsMembers](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers) 函式的 `members` 參數配置的陣列大小。<br />多人遊戲事件的事件引數控制代碼，可以從該多人遊戲事件之 [XblMultiplayerEvent](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/structs/xblmultiplayerevent) 結構的 `EventArgsHandle` 成員擷取。<br />如需多人遊戲事件的詳細資訊，請參閱 [Multiplayer Manager API 概觀](/zh-TW/services/xbox-services/multiplayer/mpm/concepts/live-multiplayer-manager-api-overview)。

## 需求

**標頭：** multiplayer\_manager\_c.h

**程式庫：** Microsoft.Xbox.Services.14x.GDK.C.lib

## 另請參閱

[multiplayer\_manager\_c](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/multiplayer_manager_c_members)\
[XblMultiplayerEventArgsFindMatchCompleted](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsfindmatchcompleted)\
[XblMultiplayerEventArgsMember](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmember)\
[XblMultiplayerEventArgsMembers](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers)\
[XblMultiplayerEventArgsPerformQosMeasurements](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsperformqosmeasurements)\
[XblMultiplayerEventArgsPropertiesJson](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargspropertiesjson)\
[XblMultiplayerEventArgsXuid](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsxuid)\
[XblMultiplayerEventType](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/enums/xblmultiplayereventtype)


## Related topics

- [XblMultiplayerEventArgsMembersCount](/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmemberscount.md)
- [XblMultiplayerEventArgsMember](/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmember.md)
- [XblMultiplayerEventArgsMembers](/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers.md)