Shell extension installation not recognized by Windows 7 64-bit shell

Posted by Avalanchis on Stack Overflow See other posts from Stack Overflow or by Avalanchis
Published on 2010-01-22T18:25:25Z Indexed on 2010/04/27 4:03 UTC
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Filed under:

windows-7

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shell

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win32

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64bit

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c++

I have a Copy Hook Handler shell extension that I'm trying to install on Windows 7 64-bit.

The shell extension DLL is compiled in two separate versions for 32-bit and 64-bit Windows.

The DLL implements DLLRegisterServer which adds the necessary registry entries.

After adding the registry entries, it calls the following line of code to nofity the Windows shell:

SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);

Everything works great on Windows7 32-bit. The shell recognizes the extension immediately.

On 64-bit, the shell extension is only recognized after the shell is restarted.

Is there anything I can do to cause the extension to be recognized without restarting the 64-bit shell?

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