[Bf-committers] Windows Explorer thumbnails for 2.5

Tom Edwards contact at steamreview.org
Wed Dec 22 13:31:05 CET 2010

On 22/12/2010 12:50, Caleb wrote:
> On 22/12/2010 7:53 AM, Tom Edwards wrote:
>> Hello everyone, here's a small project I just completed:
>> http://steamreview.org/external/blender/BlendThumb.zip
>> It's a thumbnail handler for Windows 7 and Vista that extracts the
>> .blend thumbnails generated by Blender 2.5 for display in Explorer. It's
>> feature complete (including compressed blend support), but there are two
>> niggles left before it's final:
>> - I haven't actually tested it on Vista. Feedback appreciated!
>> - I'm unclear on licensing. I'd like it to be GPL but there are two
>> problems: firstly I'm using the Windows API, and secondly the code is
>> based on a sample thumb handler provided in the Windows SDK. I've
>> replaced all of the meat, but a lot of the supporting COM guff is the
>> same as in the sample because it's so simple that I can't see any other
>> way of doing what it does. Does anyone have experience of what happens
>> in situations like this?
>> Thanks!
> I've always wanted something like this, thanks for making it! However, I
> haven't been able to get it working.
> I put the x64 BlendThumb.dll into System32, ran "regsvr32
> %windir%\System32\BlendThumb.dll", deleted IconCache.db from
> AppData\Local and rebooted my system. Explorer still won't show any
> thumbnails for my 2.55 .blend files. I'm running Windows 7 x64. Any ideas?
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I found a bug in the registration process: I'd added an integer registry 
value, but the in-library Microsoft code that was adding them only 
supported strings. It made regsvr32 crash, which I'm surprised you 
didn't mention!

The download's been updated.

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