> ## 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.

# XblRealTimeActivityConnectionStateChangeHandler

> XblRealTimeActivityConnectionStateChangeHandler

# XblRealTimeActivityConnectionStateChangeHandler

当客户端服务失去或获得与实时活动服务的连接时使用的处理程序函数。

## 语法

```cpp theme={null}
void XblRealTimeActivityConnectionStateChangeHandler(  
         void* context,  
         XblRealTimeActivityConnectionState connectionState  
)  
```

### 参数

*context*   \_In\_opt\_\
类型：void\*

将回传给处理程序函数的调用方上下文。

*connectionState*   \_In\_\
类型：[XblRealTimeActivityConnectionState](/reference/live/xsapi-c/real_time_activity_c/enums/xblrealtimeactivityconnectionstate)

连接的状态。

### 返回值

类型：void

## 要求

**头文件：** real\_time\_activity\_c.h

**库：** Microsoft.Xbox.Services.14x.GDK.C.lib

## 另请参阅

[real\_time\_activity\_c](/reference/live/xsapi-c/real_time_activity_c/real_time_activity_c_members)


## Related topics

- [XblRealTimeActivityAddConnectionStateChangeHandler](/zh-CN/reference/live/xsapi-c/real_time_activity_c/functions/xblrealtimeactivityaddconnectionstatechangehandler.md)
- [多人游戏会话目录概述](/zh-CN/services/xbox-services/multiplayer/mpsd/live-mpsd-overview.md)
- [XblRealTimeActivityRemoveConnectionStateChangeHandler](/zh-CN/reference/live/xsapi-c/real_time_activity_c/functions/xblrealtimeactivityremoveconnectionstatechangehandler.md)
- [XblRealTimeActivityConnectionState](/zh-CN/reference/live/xsapi-c/real_time_activity_c/enums/xblrealtimeactivityconnectionstate.md)
- [XblRealTimeActivityResyncHandler](/zh-CN/reference/live/xsapi-c/real_time_activity_c/functions/xblrealtimeactivityresynchandler.md)