WinRT：用于枚举库和已知文件夹之外的文件的应用程序 [英] WinRT: App to enumerate files outside libraries and known folders

问题描述

我正在开发一个Metro应用程序，该应用程序在ListView控件中显示给定文件夹的内容。
MS认为开发人员不需要System.IO.Directory类，并将其完全从框架中删除。

I am working on a Metro app that shows the content of a given folder in a ListView control. MS decided that developers don't need the System.IO.Directory class and removed it entirely from the framework.

我正在寻找一种替代工具，以在Metro风格的应用程序中枚举C＃中的文件。我检查了MS提供的所有枚举示例，它们似乎都只使用 KnownFolders 类枚举Windows库，例如：

I am looking for a replacement to enumerate files in C# in a metro style app. I have checked all the enumeration samples provided by MS and they all seem to only enumerate the Windows Libraries using the KnownFolders class, something like:

StorageFolder picturesFolder = KnownFolders.PicturesLibrary;

并调用 GetFilesAsync（）或 GetFoldersAsync（）方法取决于您的需求。如果我只想枚举图片或音乐库中的内容，这些都是金子。但是，我希望枚举库中未包含的目录上的文件。

and calling the GetFilesAsync() or GetFoldersAsync() methods depending on your needs. These are all gold if I wanted to enumerate only inside the pictures or music library. However I am looking to enumerate files on directories that are not included in a library.

任何人都知道WinRT中这是怎么可能的？

Anyone knows how this is possible in WinRT???

推荐答案

在设计上，您对于Metro应用程序在这一领域极为有限。想法是，仅授予Metro应用程序访问它受信任访问的那些内容的权限，因此您可以：

You are, by design, extremely limited in this area for Metro apps. The idea is that a Metro app is only given access to those things that it is trusted to access, so you can either:

1. 访问本地特定于您的应用程序的存储空间


2. 访问一些众所周知的存储位置，或者


3. 访问特定授予的位置。

看看 http://msdn.microsoft.com/zh-cn/library/windows/apps/hh464959.aspx ，以了解您将能够访问的内容。

Take a look at http://msdn.microsoft.com/en-us/library/windows/apps/hh464959.aspx to get an idea as to what you'll be able to access.

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