> ## 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.

# XblAchievementTimeWindow

> XblAchievementTimeWindow

# XblAchievementTimeWindow

表示可解锁成就的时间间隔。

## 语法

```cpp theme={null}
typedef struct XblAchievementTimeWindow {  
    time_t startDate;  
    time_t endDate;  
} XblAchievementTimeWindow  
```

### 成员

*startDate*\
类型：time\_t

成就时间窗口的开始日期和时间。

*endDate*\
类型：time\_t

成就时间窗口的结束日期和时间。

## 备注

仅在 achievement\_type 枚举设置为 challenge 时才使用此类。

## 成员归属

[XblAchievement](/reference/live/xsapi-c/achievements_c/structs/xblachievement)

## 要求

**头文件：** achievements\_c.h

## 另请参阅

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


## Related topics

- [XblAchievement](/zh-CN/reference/live/xsapi-c/achievements_c/structs/xblachievement.md)
- [XblAchievementProgression](/zh-CN/reference/live/xsapi-c/achievements_c/structs/xblachievementprogression.md)
- [XblAchievementOrderBy](/zh-CN/reference/live/xsapi-c/achievements_c/enums/xblachievementorderby.md)
- [XblAchievementUnlockEvent](/zh-CN/reference/live/xsapi-c/achievements_c/structs/xblachievementunlockevent.md)
- [XblContextSettingsGetHttpTimeoutWindow](/zh-CN/reference/live/xsapi-c/xbox_live_context_settings_c/functions/xblcontextsettingsgethttptimeoutwindow.md)