> ## 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.

# XblMultiplayerSessionChangeEventArgs

> XblMultiplayerSessionChangeEventArgs

# XblMultiplayerSessionChangeEventArgs

發生工作階段變更時傳遞給事件處理常式的引數。

## 語法

```cpp theme={null}
typedef struct XblMultiplayerSessionChangeEventArgs {  
    XblMultiplayerSessionReference SessionReference;  
    char Branch[XBL_GUID_LENGTH];  
    uint64_t ChangeNumber;  
} XblMultiplayerSessionChangeEventArgs  
```

### 成員

*SessionReference*\
類型：[XblMultiplayerSessionReference](/zh-TW/reference/live/xsapi-c/multiplayer_c/structs/xblmultiplayersessionreference)

觸發此事件的工作階段。

*Branch*\
類型：char\[XBL\_GUID\_LENGTH]

用來界定變更編號範圍的工作階段分支。

*ChangeNumber*\
類型：uint64\_t

工作階段的變更編號。

## 需求

**標頭：** multiplayer\_c.h

## 另請參閱

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


## Related topics

- [XblMultiplayerSessionChangedHandler](/zh-TW/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersessionchangedhandler.md)
- [多人遊戲工作](/zh-TW/services/xbox-services/multiplayer/mpsd/how-to/live-mpsd-how-tos.md)
- [XblMultiplayerEventArgsPropertiesJson](/zh-TW/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargspropertiesjson.md)
- [XblStatisticChangeEventArgs](/zh-TW/reference/live/xsapi-c/user_statistics_c/structs/xblstatisticchangeeventargs.md)
- [XblAchievementProgressChangeEventArgs](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeeventargs.md)