> ## 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.

# XSystemHandleCallbackReason

> XSystemHandleCallbackReason

# XSystemHandleCallbackReason

调用句柄跟踪回调的原因。

## 语法

```cpp theme={null}
enum XSystemHandleCallbackReason
{
  Created = 0x00,
  Destroyed = 0x01
}
```

## 常量

| 常量        | 说明     |
| --------- | ------ |
| Created   | 已创建句柄。 |
| Destroyed | 已销毁句柄。 |

## 要求

**头文件：** XSystem.h

**支持的平台：** Windows、XBOX One 系列主机和 XBOX Series 主机

## 另请参阅

[XSystem 成员](/reference/system/xsystem/xsystem_members)


## Related topics

- [XSystemHandleCallback](/zh-CN/reference/system/xsystem/functions/xsystemhandlecallback.md)
- [XSystem](/zh-CN/reference/system/xsystem/xsystem_members.md)
- [XGameUiCallbackHandle](/zh-CN/reference/system/xgameui/structs/xgameuicallbackhandle.md)
- [XSystemHandleTrack](/zh-CN/reference/system/xsystem/functions/xsystemhandletrack.md)
- [XUserPrivilegeDenyReason](/zh-CN/reference/system/xuser/enums/xuserprivilegedenyreason.md)