C++.NET dll called from vb.NET and C#?

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synth0id

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Sep 17, 2003
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Hey,

Im writing a .dll in C++.NET and I want to enable it to be called from any .NET language. So, first question is, how can I do this? Does it work the same as ATL or soemthing, maybe that Managed stuff?

I am slightly concerned about performance as well. If I do this through .NET and not ATL will I see any performance increase or decrease? Ive heard that even C++.NET compiles into the IL like vb.NET and C#. If this is true, then should I be using the non-.NET way(i think its called unmanaged?) so that I can keep C++ performance and just use ATL?

A tutorial would be nice as well if anybody knows of one:)

Im a little hazzy on terms so if anything needs explaining please ask.

Thanks for the help,
synth0id

P.S. Im not just calling functions from this dll....it will be mostly classes
 
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Managed code is ment to be slightly faster than Unmanaged but it is slower to start because its not compiled to begin with.

You use the managed extensions to make a managed class that can be imported into a Managed program, Unmanaged code will need COM or DLL exports or a internal/external Managed wrapper to allow access to the Unmanaged classes.
 
I dont know if this helps but I once wrote a DLL in VB.NET and then later used it in a C#.NET application - one of the greatest things about .NET is that all of its code is suppose to be appliable to all other .NET languages; in otherwords you should be able to compile your C++.NET code and then add a referance to it from whatever .NET language your using.
 
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