Folders

Collections

Note: A DirectoryInfo object does not compare as expected when used as a key in a map. Better to convert the folder into a normalised string format before using as a key.

Sample code:

../../misc/howto/csharp/FolderCompare.cs.txt

Also see the Java Files and Folders and Directories notes for the same issue.

Sample

using System.IO;

DirectoryInfo folder = new DirectoryInfo("temp-folder-name");
Console.Out.WriteLine(folder.FullName.ToString());
if (!folder.Exists)
{
    folder.Create();
}

Issues

Equals

In .NET 1, two directories pointing to the same folder are not equal:

This code shows a number of surprising results…

../../misc/howto/csharp/DirectoryInfoTest.cs.txt

I wrote this helper class which can be used to compare two DirectoryInfo objects.
```
../../misc/howto/csharp/DirectoryHelper.cs.txt
```
The associated unit test for the DirectoryHelper class.
```
../../misc/howto/csharp/DirectoryHelperTest.cs.txt
```

Note: I have not tried to compare DirectoryInfo objects in .NET 2…