> ## 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.

# XblAchievementRarityCategory

> XblAchievementRarityCategory

# XblAchievementRarityCategory

表示成就稀有度類別的列舉值。

## 語法

```cpp theme={null}
enum class XblAchievementRarityCategory  : uint32_t  
{  
    Unset = 0,  
    Rare = 1,  
    Common = 2  
}  
```

## 常數

| 常數 | 描述 |
| - | - |
| Unset | 無法計算稀有度 (例如，尚無人玩過此遊戲，分母為 0)。 |
| Rare | 全球已解除鎖定此成就的使用者數目介於 0 - 10.9 之間。 |
| Common | 全球已解除鎖定此成就的使用者數目介於 11.0 - 100.0 之間。 |

## 需求

**標頭：** achievements\_c.h

## 另請參閱

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


## Related topics

- [XblAchievementUnlockEvent](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievementunlockevent.md)
- [XblAchievement](/zh-TW/reference/live/xsapi-c/achievements_c/structs/xblachievement.md)
- [XblAchievementsResultGetAchievements](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsresultgetachievements.md)
- [XblAchievementsUpdateAchievementAsync](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsupdateachievementasync.md)
- [XblAchievementsGetAchievementAsync](/zh-TW/reference/live/xsapi-c/achievements_c/functions/xblachievementsgetachievementasync.md)