> ## 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.

# XblAchievementsAddAchievementProgressChangeHandler

> XblAchievementsAddAchievementProgressChangeHandler

# XblAchievementsAddAchievementProgressChangeHandler

為成就進度變更通知註冊事件處理常式。

## 語法

```cpp theme={null}
XblFunctionContext XblAchievementsAddAchievementProgressChangeHandler(  
         XblContextHandle xblContextHandle,  
         XblAchievementsProgressChangeHandler handler,  
         void* handlerContext  
)  
```

### 參數

*xblContextHandle*   \_In\_\
類型：[XblContextHandle](/zh-TW/reference/live/xsapi-c/types_c/handles/xblcontexthandle)

使用 XblContextCreateHandle 建立的 Xbox Live 內容控制代碼。

*handler*   \_In\_\
類型：XblAchievementsProgressChangeHandler

接收通知的回呼函式。

*handlerContext*   \_In\_opt\_\
類型：void\*

要傳回給處理常式的用戶端內容指標。

### 傳回值

類型：XblFunctionContext

用來移除處理常式的 XblFunctionContext。

## 備註

呼叫 [XblAchievementsRemoveAchievementProgressChangeHandler](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsremoveachievementprogresschangehandler) 以取消註冊事件處理常式。

## 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

- [XblAchievementsRemoveAchievementProgressChangeHandler](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsremoveachievementprogresschangehandler.md)
- [XblAchievementsProgressChangeHandler](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsprogresschangehandler.md)
- [XblAchievementProgressChangeEntry](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeentry.md)
- [XblAchievementUnlockAddNotificationHandler](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementunlockaddnotificationhandler.md)
- [XblAchievementProgressChangeEventArgs](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeeventargs.md)