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Alternate file streams and Paint.NET save.


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Howdy, this is kind of a question of compatibility between paint.NET edited files and alternate file streams that may be lying within the file.

So, a google search can give you a bunch of hits for alternate file streams, but I am making a backup/revision piece of software that utilizes alternate file streams. The issue I am having is that when I open a file in Paint.NET and save it, all alternate file streams are stripped. From what I can tell though, the file is not being deleted and recreated (it retains its created date/time), but nonetheless those streams are being stripped.

Is there anything actively doing this (to, for instance, remove zone information from files)? I'm definitely willing to assist with this.

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The alternate file streams are not loaded, nor is there any attempt to preserve them. When you save, it's effectively writing a brand new file. The fact that the creation time stays the same is a file system feature in Windows called "tunneling": http://blogs.msdn.com/oldnewthing/archi ... 39261.aspx

This is not a bug, nor will it be changed.

The Paint.NET Blog: https://blog.getpaint.net/

Donations are always appreciated! https://www.getpaint.net/donate.html

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