How to load a 32bit dll in a 64 bit process

Asked Jun 30 '15 at 17:26

Active Jun 30 '15 at 17:26

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I know that you cannot call a 32bit dll directly from a 64bit process. But none of the answers on SO seem to offer sample code on how it could/should be done.

Could somebody post a sample code on how

processA(64) > processB(32) > DllA(32)

How can ProcessA get the value back from a method in DllA via ProcessB

Could someone post some simple code of the DLL, processB and ProcessA

asked Jun 30 '15 at 17:26

Simon Goodman

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That really depends on the job. What does the DLL do? – tweellt Jun 30 '15 at 17:54
Does it really matter? All the 32bit dll does is string processing, I pass a string as an argument and another string is returned. (the strings are XML). – Simon Goodman Jun 30 '15 at 18:05
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You can use .NET remoting, or better WCF. – xanatos Jun 30 '15 at 18:08
Sorry, I am not familiar with either .NET remoting or WCF. Do you have any sample code that might help? – Simon Goodman Jun 30 '15 at 18:21
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See http://stackoverflow.com/q/4195587/613130 – xanatos Jun 30 '15 at 19:27
I asked about the job because there are several different IPC methodologies and if you wish to pass an object (eg.) it would require a more elaborated code – tweellt Jul 01 '15 at 01:55
I see, would you then know where I could find some simple code to achieve a simple request from 64 > 32. – Simon Goodman Jul 01 '15 at 04:32

How to load a 32bit dll in a 64 bit process

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