Coerce Windows to show a thumbnail for my custom file type.

Posted by Jakob Ryden on Stack Overflow See other posts from Stack Overflow or by Jakob Ryden
Published on 2010-04-23T00:16:43Z Indexed on 2010/04/23 0:23 UTC
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thumnail

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Windows

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Vista

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XP

Hi, I want to use the windows OpenFileDialog class in C# to browse files for my application. I would then like the files to show up with previews in Windows' "thumbnails" view.

Is there a simple way to make this happen? I'm thinking there should be a way to encode the files so that Windows simply reads and displays the thumbnail information, even though it's an unsupported file type?

I know Windows Vista has a different interface (IThumbnailProvider as opposed to IExtractImage) than Windows XP, but I need it to work across platforms.

Thanks! / Jakob

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