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Re: Call external 64bit [message #67293 is a reply to message #67290]

Mon, 13 July 2009 07:56

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

On Mon, 13 Jul 2009, Wox wrote:

> Hi
>
> Calling a 32bit dll from IDL 64 bit doesn't work (see below). Is this
> normal behaviour?
>
> IDL> print,!version
> { x86_64 Win32 Windows Microsoft Windows 7.1 Apr 21 2009 64 64}
> IDL> print,call_external('test.dll','test',2u,/ALL_VALUE,/I_VALUE )
> % CALL_EXTERNAL: Error loading sharable executable.
> Symbol: test, File = Test.dll
> %1 is not a valid Win32 application.
>
>
> Normal behaviour (IDL 32bit):
> IDL> print,!version
> { x86 Win32 Windows Microsoft Windows 7.1 Apr 21 2009 32 64}
> IDL> print,call_external('test.dll','test',2u,/ALL_VALUE,/I_VALUE )
> 10
>
>
> Dll file used: http://xrdua.ua.ac.be/public/Test.dll

I think this is normal. You can not mix 32 and 64 bit code in a single app
(eg. call_external passes 64 bit pointers to the DLL while the DLL expects
32 bit ones).

regards,
lajos

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[Message index]

		Re: Call external 64bit By: Wout De Nolf on Tue, 14 July 2009 01:41
		Re: Call external 64bit By: Toolbox on Mon, 13 July 2009 12:36
		Re: Call external 64bit By: Toolbox on Mon, 13 July 2009 12:10
		Re: Call external 64bit By: Foldy Lajos on Mon, 13 July 2009 07:56

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