> ## 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.

# XPackageEnumerateFeatures

> XPackageEnumerateFeatures

# XPackageEnumerateFeatures

枚举程序包布局文件中定义的功能。

## 语法

```cpp theme={null}
HRESULT XPackageEnumerateFeatures(  
         const char* packageIdentifier,  
         void* context,  
         XPackageFeatureEnumerationCallback* callback  
)  
```

### 参数

*packageIdentifier*   \_In\_z\_\
类型：char\*

要枚举其布局文件中功能的程序包。有关程序包标识符的详细信息，请参阅[管理和许可可下载内容 (DLC)](https://learn.microsoft.com/en-us/gaming/gdk/_content/gc/commerce/fundamentals/xstore-manage-and-license-optional-packages)。

*context*   \_In\_opt\_\
类型：void\*

要传递给 *callback* 参数中指定的回调的上下文。

*callback*   \_In\_\
类型：[XPackageFeatureEnumerationCallback](/reference/system/xpackage/functions/xpackagefeatureenumerationcallback)\*

调用方定义的回调。

## 备注

此函数枚举程序包的 *layout.xml* 中定义的功能。最重要的是，这包括在游戏 *Shell* 管理页中显示的该功能的 `displayName`。有关 XBOX One 游戏所使用的打包技术的信息，请参阅[打包概述](/build/core-features/common/packaging/overviews/packaging)。

### 返回值

类型：HRESULT

HRESULT 成功或错误代码。

## 要求

**头文件：** XPackage.h

**库：** xgameruntime.lib

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

## 概念性文档

* [支持游戏即服务 (GaaS)](/build/core-features/common/packaging/supporting-games-as-a-service)

## 另请参阅

[XPackageFeature](/reference/system/xpackage/structs/xpackagefeature)\
[XPackage](/reference/system/xpackage/xpackage_members)


## Related topics

- [XPackageFeature](/zh-CN/reference/system/xpackage/structs/xpackagefeature.md)
- [XPackageFeatureEnumerationCallback](/zh-CN/reference/system/xpackage/functions/xpackagefeatureenumerationcallback.md)
- [支持游戏即服务(GaaS)](/zh-CN/build/core-features/common/packaging/supporting-games-as-a-service.md)
- [XPackage](/zh-CN/reference/system/xpackage/xpackage_members.md)
- [面向 GDK 的 Unity C# API 包装器](/zh-CN/build/gdk-and-engines/unity/unity-api-wrappers.md)