问题描述
即我有:
Environment.SpecialFolder.ApplicationDataEnvironment.SpecialFolder.CommonApplicationDataEnvironment.SpecialFolder.LocalApplicationData
我不清楚这些是否指向 Windows XP 和/或 Windows Vista.
I am unclear as to were these point to in Windows XP and/or Windows Vista.
到目前为止，我发现 ApplicationData 在 XP 中指向当前用户的 ApplicationData 文件夹，在 Vista 中指向漫游应用程序数据文件夹.
What I found so far is that the ApplicationData points to the ApplicationData Folder for the current user in XP and the roaming application data folder in Vista.
我也想知道是否有关于何时使用哪个的一般准则.
I would also like to know if there are general guidelines on when to use which.
推荐答案
对此没有唯一的答案.事实上，这正是为什么定义这些SpecialFolder"的原因.您使用这些而不是硬编码路径.
There's no single answer to that. In fact, that's precisely why these "SpecialFolder"s are defined. You use those instead of a hardcoded path.
Environment.SpecialFolder.ApplicationData 是最常见的一种.此文件夹包含每个用户的非临时应用程序特定数据，而不是用户文档.一个常见的例子是设置或配置文件.
Environment.SpecialFolder.ApplicationData is the most common one. This folder holds per-user, non-temporary application-specific data, other than user documents. A common example would be a settings or configuration file.
Environment.SpecialFolder.CommonApplicationData 类似，但在用户之间共享.例如，您可以使用它来存储文档模板.
Environment.SpecialFolder.CommonApplicationData is similar, but shared across users. You could use this to store document templates, for instance.
Environment.SpecialFolder.LocalApplicationData 是 ApplicationData 的非漫游替代方案.因此，您永远不会在那里存储重要数据.但是，因为它是非漫游的，所以它是临时文件、缓存等的好位置.它通常在本地磁盘上.
Environment.SpecialFolder.LocalApplicationData is a non-roaming alternative for ApplicationData. As such, you'd never store important data there. However, because it's non-roaming it is a good location for temporary files, caches, etcetera. It's typically on a local disk.
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