> ## 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

遊戲線上狀態變更通知的事件處理常式。

## 語法

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

### 參數

*context*   \_In\_opt\_\
類型：void\*

將傳回給處理常式的呼叫端內容。

*xuid*   \_In\_\
類型：uint64\_t

遊戲線上狀態已變更之使用者的 XboxUserID。

*titleId*   \_In\_\
類型：uint32\_t

遊戲識別碼。

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

使用者的遊戲線上狀態。

### 傳回值

類型：void

## 作為下列項目的引數

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

## 需求

**標頭：** presence\_c.h

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

## 另請參閱

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


## Related topics

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