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Editorial Team
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Asked: 2026-05-12T16:28:16+00:00

I have a project written in C++/CLI. Some of the types there are in

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I have a project written in C++/CLI. Some of the types there are in managed code, and some are in completely native code. Let’s say I have the produced DLL on a machine that dosen’t have any version of the .Net framework installed, is there a way that another, native application will link with my “mixed-mode” Dll and use only the native types? I’ve noticed that the minute I add the “/clr” switch, my Dll automatically depends on several .Net Framework Dlls (mscorjit, mscoree etc.), and when I actually try to use the 100% native types defined in it, the application still tries to load those .Net Framework Dlls (even though I don’t use the framework in that part of the code).
So, is it possible to avoid loading those Dlls in such case? (as I see it, the other option is to create another, native project, that will contain all of the native types, without the managed ones).

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1 Answer

  1. Editorial Team

    No. When you load a mixed mode assembly (/clr), right after DllMain runs, the .cctor runs and initializes the framework, if it hasn’t already been setup for the application.

    Without this, there would be a big hit as soon as you called a function that required a managed API. For details, see “Initialization of Mixed Assemblies” on MSDN.

    The best option would be to make your native API a separate DLL, and have the mixed mode assembly a separate project, so you can load it separately if required.

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