> ## 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.

# XblPresenceTitlePresenceChangedHandler

> XblPresenceTitlePresenceChangedHandler

# XblPresenceTitlePresenceChangedHandler

标题状态更改通知的事件处理程序。

## 语法

```cpp theme={null}
void XblPresenceTitlePresenceChangedHandler(  
         void* context,  
         uint64_t xuid,  
         uint32_t titleId,  
         XblPresenceTitleState titleState  
)  
```

### 参数

*context*   \_In\_opt\_\
类型：void\*

将回传给处理程序的调用方上下文。

*xuid*   \_In\_\
类型：uint64\_t

其标题状态发生更改的用户的 XboxUserID。

*titleId*   \_In\_\
类型：uint32\_t

标题 ID。

*titleState*   \_In\_\
类型：[XblPresenceTitleState](/reference/live/xsapi-c/presence_c/enums/xblpresencetitlestate)

该用户的标题状态。

### 返回值

类型：void

## 用作参数

[XblPresenceAddTitlePresenceChangedHandler](/reference/live/xsapi-c/presence_c/functions/xblpresenceaddtitlepresencechangedhandler)

## 要求

**头文件：** presence\_c.h

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

## 另请参阅

[presence\_c](/reference/live/xsapi-c/presence_c/presence_c_members)


## Related topics

- [XblPresenceAddTitlePresenceChangedHandler](/zh-CN/reference/live/xsapi-c/presence_c/functions/xblpresenceaddtitlepresencechangedhandler.md)
- [XblPresenceTitleState](/zh-CN/reference/live/xsapi-c/presence_c/enums/xblpresencetitlestate.md)
- [XblPresenceTrackUsers](/zh-CN/reference/live/xsapi-c/presence_c/functions/xblpresencetrackusers.md)
- [XblPresenceTrackAdditionalTitles](/zh-CN/reference/live/xsapi-c/presence_c/functions/xblpresencetrackadditionaltitles.md)
- [XblPresenceRemoveTitlePresenceChangedHandler](/zh-CN/reference/live/xsapi-c/presence_c/functions/xblpresenceremovetitlepresencechangedhandler.md)