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From: RichK on 9 Apr 2010 10:51
A call to

IsWow64Process(GetCurrentProcess(),&bIsWow64);

should return success and set bIsWow64 to a non-zero value when it is called
from a 32-bit process that is running on an x64 edition of Windows.



"Dee Earley" <dee.earley(a)icode.co.uk> wrote in message
news:4bbf21b3$0$344$7b0f0fd3(a)reader.news.newnet.co.uk...
> On 08/04/2010 11:09, cg wrote:
>> Hello,
>>
>> I developp a win32 application and i want this application runs under
>> Windows Server 2008 x64 / x32 - Vista x64 / x32 - Seven x64 / x32, and i
>> need to make some modification for my application to be x64 perfectly
>> compliant.
>
> If your app is a 32bit app then it should work exactly as it did before.
>
>> My problem is : how to know if my application runs under an Os 64bits or
>> 32bits.
>>
>> I try the GetSystemInfo with the wProcessorArchitecture entry which
>> curiously return 0.
>>
>> Curiously GetVersionEx can't be used.
>
> I think it lies to your app if it's 32-bit. (It doesn't say in MSDN so I
> can't say this definitively.)
> If you compile a 64bit version you will get the correct answer.
>
> --
> Dee Earley (dee.earley(a)icode.co.uk)
> i-Catcher Development Team
>
> iCode Systems
>
> (Replies direct to my email address will be ignored.
> Please reply to the group.)


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