J wrote:
I am looking for a way of having a C++ exe integrate with a .NET dll. I have a
solution working under Windows (Microsoft.NET 1.1) however I would like to make
this function under Mono.
Here are the details:
I currently am writing a C# wrapper of a C++ game engine. (T2D by garagegames) I wrote this on Windows (CLR v1.1) and the main way this works is by adding Managed code to the C++ engine (so now it is mixed Managed/Unmanaged C++) so it can directly call into my C# DLL, and using PInvoke to have the C# DLL talk balk to the C++ engine.
The C++ engine itself is OS agnostic (it works on windows, linux and mac), and I would love to make this C# wrapper work under mono, so that it is OS agnostic as well.
However, http://www.go-mono.com/faq.html#63 informs me that Mixed mode assemblies do not work under mono.
Is there any way to have this work under Mono? Please realize that the basic need is to have 1 instance of a C++ exe call into a .NET dll, and have that DLL be able to then execute functions in the C++ exe that called it. So this requires a mono-equivlant of PInvoke, plus a way to have the C++ app call the C# app.
Help on this would be appreciated, otherwise it'll be Windows only!
You have 2 options to make this work under Mono:
1. Embed the Mono runtime in you C++ app. Have a look at samples/embed
of the Mono source package.
From C++ you can access the managed code using Mono's metadata API.
C# can access unmaged code using internal calls you have to provide.
pros
- pretty straightforward (IMHO) but still a lot of work.
cons
- only for Mono. It won't work unter MSFT's runtime.
2. Build a C wrapper for the C++ library making it p/invoke
compatible.
pros
- the wrapper can be made platform independend
cons
- a lot of work
I'd go for (2) because it is portable. (1) has more optimizing
potential because you can mix C++ and C# at some level.
Rob
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