Re: [Boost-users] Adding C++/CLI code to my project makes app crash on startup

On Mon, Dec 11, 2017 at 4:43 AM, Sergio Basurco via Boost-users wrote:

I'm building some C++/CLI code into a DLL. This DLL acts as a wrapper to C# code that I use from my native C++ application.

I double checked that the DLL is built as x86. My Boost build is also x86. So I don't think it has to do with architecture. Also tried adding /MACHINE:X86 to the linking parameters.

My CLI/C++ code does not use boost at all. It is my application that uses both boost code and the CLI dll.

Explain that. You cannot do unmanaged things in a managed (CLI) application. You are probably referencing into an Any CPU or x64 project, which is not guaranteed to work, and/or may require additional parameters. I'm not sure how you link the Boost DLL with the target application. As I and others have stated, you can do this with your C++/CLI project, i.e. using Boost "inside", so to speak, but you need to be aware of the CLI-isms bridging into the .NET managed memory space. Show some projects on Github exactly what you're doing.

Saludos / Best regards,

Sergio Basurco Coherent Synchro

On 06/12/2017 19:51, Steven Boswell II via Boost-users wrote:

On Tue, Dec 5, 2017 at 10:31 PM, Sergio Basurco via Boost-users wrote:

...

I'm using Boost 1.65.1 with Visual Studio 2015 (v140 compiler). Also, I'm using the following libs dynamically:

[...]

And I want to add C++/CLI code which is built with /clr. This used to work with v110 and Boost 1.57. Now I'm getting this error just when launching the application.

0xc000007b

All binaries are 32bits. I'm also using the following define: BOOST_ALL_DYN_LINK

Any idea on why this may happen?

A Google search says that error 0xc000007b happens when you mix 64-bit and 32-bit code. Keep in mind that CLI code has to be explicitly compiled as 32-bit. The "Any CPU" setting tends to pick the OS' native word-size, which is probably 64-bit.

-Steven

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