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.NET Forum / .NET Framework / CLR / December 2007Experience hosting the CLR from native c++ ?
Hello, I am trying to find good information on hosting the CLR from my native c++ program. I'm successfully using CorBindToRuntimeEx to host the CLR and executing functions in a test CLR assembly using ExecuteInDefaultAppDomain. That's all great, but my problem is that the execute function seems rather limited. It accepts a string argument and returns an int, and that's it. So my question is, how can more information about state be passed back and forth between the assembly and the hosting program? I've exercised my search engine pretty heavily looking for examples and I keep thinking, there must be a way to share data! Anyone successfully done this or have info about it? Thanks in advance, -Dave There's a book out that goes into great detail on hosting the CLR: "Customizing the Microsoft® .NET Framework Common Language Runtime" http://www.microsoft.com/mspress/books/6895.aspx  SignatureChris Mullins > Hello, > [quoted text clipped - 14 lines] > > -Dave Hi Chris, Thank you for your reply. Interesting you brought up this book; I ordered it on Friday and should get it tomorrow, unless UPS fails me :) Thought I'd take a crack on getting info today though while I wait, on this part of the subject anyway. Thanks again, -Dave > There's a book out that goes into great detail on hosting the CLR: > [quoted text clipped - 19 lines] >> >> -Dave Hello Dave, Have you yet looked at defining "#pragma managed" and "#pragma unmanaged" sections of code in C++? You can use these to generate a "mixed-mode" DLL which you can then load from C++. This approach seems to work fine, although apparently NOT when the calling C++ is in a native lib loaded by Java JNI. Am trying to find out why... Regards, Keith EggHeadCafe - .NET Developer Portal of Choice http://www.eggheadcafe.com Hello Keith and thanks for the message. No, I have not tried that yet. I did get Steven Pratschner's book on CLR customization, and it's a valuable reference for anyone interested in hosting the CLR and creating app domains. I have things working almost like I want, the last piece being communication back to the native host from the managed assemblies. I will probably take a look at the pragmas you mention though. Thanks again! -Dave > Hello Dave, > [quoted text clipped - 11 lines] > EggHeadCafe - .NET Developer Portal of Choice > http://www.eggheadcafe.com
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