> ## 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.

# XblAchievementsProgressChangeHandler

> XblAchievementsProgressChangeHandler

# XblAchievementsProgressChangeHandler

成就有進度時叫用的回呼。

## 語法

```cpp theme={null}
void XblAchievementsProgressChangeHandler(  
         const XblAchievementProgressChangeEventArgs* eventArgs,  
         void* context  
)  
```

### 參數

*eventArgs*   \_In\_\
類型：[XblAchievementProgressChangeEventArgs\*](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeeventargs)

與成就狀態變更相關聯的引數。結構的欄位只在回呼期間有效。

*context*   \_In\_opt\_\
類型：void\*

新增處理常式時所提供的內容。

### 傳回值

類型：void

## 備註

若要讓回呼正常運作，您必須至少為一位使用者訂閱成就進度變更。

## 需求

**標頭：** achievements\_c.h

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

## 另請參閱

[achievements\_c](/zh-TW/reference/live/xsapi-c/achievements_c/achievements_c_members)


## Related topics

- [XblAchievementsAddAchievementProgressChangeHandler](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsaddachievementprogresschangehandler.md)
- [XblAchievementsRemoveAchievementProgressChangeHandler](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsremoveachievementprogresschangehandler.md)
- [XblAchievementProgressChangeEntry](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeentry.md)
- [XblAchievementProgressChangeEventArgs](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeeventargs.md)
- [XblAchievementsManagerEvent](/zh-TW/reference/live/xsapi-c/achievements_manager_c/structs/xblachievementsmanagerevent.md)