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I want to create an application preferably using .NET to generate thumbnails for a custom file type (actually a .zip file). I want that the image i choose should become the thumbnail image in explorer. Can someone please help me?
Posted 7-Oct-12 2:17am

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Solution 1

See the answer here that provides a VB.NET snippet (should be easily convertible to C#) that does exactly that.[^]
Sabaat Ahmad at 7-Oct-12 12:42pm
Thanks for this link. I've been searching for this too. But what i want to do currently is:-

1. Set an icon for a particular extention (with the above solution i would be able to do that).

2. When switching to thumbnail view, show a thumbnail in windows explorer that i'll generate programatically (THIS I NEED HELP WITH)
Sabaat Ahmad at 28-Nov-13 2:57am
This article can tell me how to set an icon for a particular file type. What i want is to get sort of a thumbnail based on the file contents in addition to setting the file type icon. For Eg: PDF file thumbnails by installing adobe reader

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