> ## 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.

# XblAchievementUnlockAddNotificationHandler

> XblAchievementUnlockAddNotificationHandler

# XblAchievementUnlockAddNotificationHandler

为成就解锁通知注册事件处理程序。

## 语法

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

### 参数

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

本地用户的 XBOX Live 上下文。

*handler*   \_In\_\
类型：XblAchievementUnlockHandler\*

接收通知的回调函数。

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

传给处理程序的调用方上下文。

### 返回值

类型：XblFunctionContext

可用于注销事件处理程序的 XblFunctionContext 对象。

## 要求

**头文件：** achievements\_c.h

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

## 另请参阅

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


## Related topics

- [XblAchievementUnlockRemoveNotificationHandler](/zh-CN/reference/live/xsapi-c/achievements_c/functions/xblachievementunlockremovenotificationhandler.md)
- [XblAchievementUnlockHandler](/zh-CN/reference/live/xsapi-c/achievements_c/functions/xblachievementunlockhandler.md)
- [XblAchievementsAddAchievementProgressChangeHandler](/zh-CN/reference/live/xsapi-c/achievements_c/functions/xblachievementsaddachievementprogresschangehandler.md)
- [XblAchievementUnlockEvent](/zh-CN/reference/live/xsapi-c/achievements_c/structs/xblachievementunlockevent.md)
- [XblAchievementsRemoveAchievementProgressChangeHandler](/zh-CN/reference/live/xsapi-c/achievements_c/functions/xblachievementsremoveachievementprogresschangehandler.md)