如何检查目录1 DIR2，反之亦然的子目录 [英] How to check if directory 1 is a subdirectory of dir2 and vice versa

问题描述

什么是检查目录1 2目录的子目录，反之亦然一种简单的方法？

What is an easy way to check if directory 1 is a subdirectory of directory 2 and vice versa?

我检查了路径和DirectoryInfo的helperclasses但没有发现系统 - 为此做好准备的功能。我认为这将是在那里的地方。

I checked the Path and DirectoryInfo helperclasses but found no system-ready function for this. I thought it would be in there somewhere.

你们是否有一个想法，去哪里找呢？

Do you guys have an idea where to find this?

我试着写一个检查自己，但它更复杂得多，当我开始我的预期。

I tried writing a check myself, but it's more complicated than I had anticipated when I started.

推荐答案

您可以比较directory2到directory1中的 Parent属性在这两种情况下使用的DirectoryInfo时

You can compare directory2 to directory1's Parent property when using a DirectoryInfo in both cases.

DirectoryInfo d1 = new DirectoryInfo(@"C:\Program Files\MyApp");
DirectoryInfo d2 = new DirectoryInfo(@"C:\Program Files\MyApp\Images");

if(d2.Parent.FullName == d1.FullName)
{
    Console.WriteLine ("Sub directory");
}

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