Delphi - 当一个是UNC时比较两个路径名，一个是驱动器号指定 [英] Delphi - Comparing two pathnames when one is UNC and one is drive letter-specified

问题描述

我有一种情况，用户可以指定两个单独的路径名，我需要检查一个路径名是否在另一个路径名中。如果两个路径名都是UNC，或者两者都是基于驱动器盘符的，那么我可以这么做，但是如果它们是混合的，那么可以这么做？

你可以规范化一个路径C：\程序文件为\\ [此计算机名称] \C\Program文件？显然，我不能以其他方式，因为UNC格式的网络文件夹可能没有映射到它的相应的驱动器号。

解决方案

查看 ExpandUNCFileName 功能。

I have a situation where a user can specify two separate pathnames, and I need to check whether one pathname is "inside" the other one. I can do this if both pathnames are UNC, or both are drive-letter-based, but what if they are mixed?

Can you "normalise" a path such as "C:\Program Files" to "\\[this computer name]\C\Program Files"? Obviously, I can't go the other way, as a network folder in UNC format may not have a corresponding drive letter mapped to it.

解决方案

Have a look at ExpandUNCFileName function.

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