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POLoading native dll (32bit) in in-process wmi provider(32 bit) on 64 bit OS
 

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  1. POLoading native dll (32bit) in in-process wmi provider(32 bit) on 64 bit OS
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    <p>I am working on a in-process wmi provider which loads a native third party library using[DllImport]. The dll locations is fixed to c:\mydllpath. Before loading the dll I set current directory to the dll loaction, in the provider's Bind() method.</p> <p>Environment.CurrentDirectory = Environment.ExpandEnvironmentVariables("%SystemDrive%") + "\mydllpath"; </p> <p>Provider is built for 'Any CPU', installed using gacutil, and installexe. </p> <p>gacutil.exe /if myprovider.dll</p> <p>installutil.exe myprovider.dll</p> <p>It is working fine in all 32 bit Windows platforms. But in 64 bit platform (tried with Windows 7 64bit), it is not working when I test from WMIC. But when I tested with WMI Code creator, it was working fine.</p> <p>After debugging I found it is throwing following error.</p> <p>System.BadImageFormatException Additional information: An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)</p> <p>After searching help from internet, it was suggested to build the provider for x86. But provider built with x86 is giving another error like...</p> <p>ERROR: Code = 0x80041013 Description = Provider load failure Facility = WMI</p> <p>I also tried to load the native dlls(actually 2 dlls, and a sys file) using /linkref commandline switch, but failed because of not possible to load the sys file using /linkref.</p> <p>I wrote a test C# client application and keep all files ina same path, it was working fine. I hope I am missing some configurations for 64 bit installation.</p> <p>Any help would be really appreciated and very thanks in advance!</p>
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    1. USErik Funkenbusch
    1. USMuthukkumaran
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    1. COany other possibilities...? :(
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      1. USMuthukkumaran
 

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