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.NET Forum / .NET Framework / New Users / November 2006Managed C++ Mixed Assembly
Hello, I have a VC++ Project that outputs an unmanaged DLL. I would like to convert this project to a managed C++ Project. The goal is to mix unmanaged and managed code. Un unmanaged exported function will need to run managed code. Is it possible ? TIA. Hello, Olivier! Yes, it is possible. To compile with managed code use /clr compiler parameter. And here's code sample ( http://www.winterdom.com/mcppfaq/archives/000370.html ) OM> I have a VC++ Project that outputs an unmanaged DLL. OM> I would like to convert this project to a managed C++ Project. OM> The goal is to mix unmanaged and managed code. Un unmanaged exported OM> function will need to run managed code. Is it possible ? OM> TIA. -- Regards, Vadym Stetsyak www: http://vadmyst.blogspot.com Thanks for that. Should I follow the following ? http://support.microsoft.com/?id=814472 I may be wrong but the sample you provider is not what I'm looking for. > Hello, Olivier! > [quoted text clipped - 14 lines] > Regards, Vadym Stetsyak > www: http://vadmyst.blogspot.com Ok, this is not necessary with VS2005... I have now a mixed DLL. But when I load it with LoadLibrary from unmanaged code I have the following Error: 193 : %1 is not a valid Win32 application. Ouch ! > Thanks for that. > Should I follow the following ? http://support.microsoft.com/?id=814472 [quoted text clipped - 18 lines] >> Regards, Vadym Stetsyak >> www: http://vadmyst.blogspot.com Hello, Olivier! Hmm, strange. Do you have DllMain function in your dll? Is it called? You wrote on Fri, 24 Nov 2006 18:46:53 +0100: OM> Ok, this is not necessary with VS2005... OM> I have now a mixed DLL. But when I load it with LoadLibrary from OM> unmanaged OM> code I have the following Error: OM> 193 : %1 is not a valid Win32 application. OM> Ouch ! OM> "Olivier Matrot" <olivier.matrot.rte@online.nospam> wrote in message OM> news:uzX$61%23DHHA.4048@TK2MSFTNGP02.phx.gbl... >> Thanks for that. >> Should I follow the following ? >> http://support.microsoft.com/?id=814472 >> I may be wrong but the sample you provider is not what I'm looking >> for. >>> Hello, Olivier! >>> Yes, it is possible. >>> To compile with managed code use /clr compiler parameter. >>> And here's code sample >>> ( http://www.winterdom.com/mcppfaq/archives/000370.html ) >>> OM> I have a VC++ Project that outputs an unmanaged DLL. >>> OM> I would like to convert this project to a managed C++ Project. >>> OM> The goal is to mix unmanaged and managed code. Un unmanaged >>> exported >>> OM> function will need to run managed code. Is it possible ? >>> OM> TIA. >>> -- >>> Regards, Vadym Stetsyak >>> www: http://vadmyst.blogspot.com -- With best regards, Vadym Stetsyak. Blog: http://vadmyst.blogspot.com This a a visual studio 2003 upgraded MFC DLL. I've only added a managed C++ class to the project... > Hello, Olivier! > [quoted text clipped - 41 lines] > With best regards, Vadym Stetsyak. > Blog: http://vadmyst.blogspot.com Hi Olivier, >This a a visual studio 2003 upgraded MFC DLL. >I've only added a managed C++ class to the project... Based on the error message: 193 : %1 is not a valid Win32 application. The problem seems to be your mixed DLL is not a valid Win32 image. Is it possible that the DLL is built by any 64-bit version's library? If you just upgrade that MFC DLL to VS2005, is there any problem to load it? By the way, the KB article you mention does not target on your case, it discuss the scenario that the original DLL is a pure .NET assembly. Thanks! Best regards, Gary Chang Microsoft Online Community Support ================================================== Get notification to my posts through email? Please refer to http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif ications. Note: The MSDN Managed Newsgroup support offering is for non-urgent issues where an initial response from the community or a Microsoft Support Engineer within 1 business day is acceptable. Please note that each follow up response may take approximately 2 business days as the support professional working with you may need further investigation to reach the most efficient resolution. The offering is not appropriate for situations that require urgent, real-time or phone-based interactions or complex project analysis and dump analysis issues. Issues of this nature are best handled working with a dedicated Microsoft Support Engineer by contacting Microsoft Customer Support Services (CSS) at http://msdn.microsoft.com/subscriptions/support/default.aspx. ================================================== This posting is provided "AS IS" with no warranties, and confers no rights. There is no problem to load the DLL, if there is no CLR module module in the project. As soon as I add a Managed C++ Class, the DLL does not load anymore. > Hi Olivier, > [quoted text clipped - 37 lines] > This posting is provided "AS IS" with no warranties, and confers no > rights. My fault. I started from scratch with this project. Now the DLL is successfully loaded. My problem now is to call a static managed function from unmanaged code (an unmanaged exported C style function). > There is no problem to load the DLL, if there is no CLR module module in > the project. [quoted text clipped - 43 lines] >> This posting is provided "AS IS" with no warranties, and confers no >> rights. Nothing special to do for calling managed code from unmanaged code. Thanks for that. > My fault. > I started from scratch with this project. Now the DLL is successfully [quoted text clipped - 53 lines] >>> This posting is provided "AS IS" with no warranties, and confers no >>> rights.
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