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Home/ Questions/Q 4573722
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Editorial Team
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Editorial Team
Asked: May 21, 20262026-05-21T19:49:28+00:00 2026-05-21T19:49:28+00:00

The Extension property is inherited from FileSystemInfo . When would you use it? As

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The Extension property is inherited from FileSystemInfo.

When would you use it? As far as I know, DirectoryInfo represents directories and the actions you can perform on a directory. This would never include the need for an “extension”.

What’s the use of this property for the DirectoryInfo class?

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  1. Editorial Team
    Editorial Team
    2026-05-21T19:49:29+00:00Added an answer on May 21, 2026 at 7:49 pm

    Why would a DirectoryInfo object never include the need for an “extension”?

    Names like foo.dir, bar.ext and foo.bar are perfectly legal for directories, in NTFS and many other filesystems.

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