Re: [DQSD-Users] x64 Version, please?!

[<ki...@mv...>]

Hi Charlie,

Thanks for the added detail... Interesting that 64-bit processes cannot
load 32-bit DLL:s -- I hadn't even thought about it that way.

It would be nice if we could build DQSD for 64-bit, but there are two 
main problems:

a) Getting a build environment for 64-bit targets

b) Testing and fixing potential bugs occuring only on 64-bit targets

If you (or anyone else) can help with these two, I'd be happy to give it 
a shot.

Does anybody know if we need to run on Win64 to build for Win64, or if 
there's a 32-bit compiler targetting Win64?

- Kim

Charlie Russel wrote:
> Yes, Kim, I have tried it. :(
> 
> The problem is that explorer.exe, and thus the desktop and task bar
> are 64 bit. You can't use a 32-bit extension to a 64-bit app --
> 64-bit apps can't call 32-bit dlls, and 32-bit apps can't call 64-bit
> dlls. So even if the hooks are there, they're 64-bit hooks, and can't
> talk to the 32-bit DQSD. If DQSD were a standalone app, it would
> work. As you say, the vast majority of 32-bit applications work just
> fine.
> 
> There's a known workaround for context menu extensions (right mouse
> click stuff like WinZIP) that allows one to run the 32-bit
> explorer.exe, but it doesn't replace your desktop, only opens a
> separate window for Windows Explorer that runs in the WOW64 subsystem
> (the 32-bit subsystem, IOW).
> 
> If you need references/pointers to appropriate developer level docs,
> I can probably help, but I am NOT a developer, though I have written
> C code when I absolutely had to. But it was a long, long time ago.
> 
> Charlie.
> 
> 
>> -----Original Message----- From:
>> dqs...@li... [mailto:dqsd-users- 
>> ad...@li...] On Behalf Of Kim Gräsman Sent: April
>> 27, 2005 8:56 AM To: dqs...@li... Subject: Re:
>> [DQSD-Users] x64 Version, please?!
>> 
>> Hi Charlie,
>> 
>> I don't know much about Win64, but don't 32-bit apps run cleanly on
>> it? As long as the shell has the hooks used by DQSD, it should just
>> work.
>> 
>> Did you try it out?
>> 
>> Cheers, - Kim
>> 
>> Charlie Russel wrote:
>> 
>>> OK, I know I asked this before, when the x64 version of Windows
>>> went RTM. But not it is actually out, and showing up in the
>>> OEM/System Builder channels. Any chance of an x64 version of
>>> DQSD? Please? I'd _love_ to switch my main desktop over to XP
>>> Professional x64 Edition, but I'd _really_ miss my DQSD.
>>> 
>>> I am _not_ a developer, but I'd be _glad_ to make a machine
>>> available remotely to facilitate this. And I can install your
>>> compiler of choice on it, as necessary (I have MSDN to cover that
>>> box.) If this offer makes sense, contact me off-list.
>> 
>> 
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> 
> 
> 
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