Re: [Boost-users] Windows: Mixed .NET and native C++ with Boost

Subject: Re: [Boost-users] Windows: Mixed .NET and native C++ with Boost
From: Edward Diener (eldiener_at_[hidden])
Date: 2010-01-14 13:01:19

Richwin, Dr. Matthias wrote:
> Hi all,
> 
> I try the following scenario:
> 
> - a C++ library (my own code), unmanaged, makes use of boost (e.g. regex)
> - a C++ .NET application (windows forms based) planned as GUI (having 
> used Borland C++ builder in the past, the windows forms approach looks 
> quite appealing to me)
> 
> - my C++ library header is included in the .Net form header file wrapped 
> in a #pragma unmanaged/managed pair.
> 
> I compiles and links well.
> 
> For simple test purposes, I instantiate a class from my C++ library in 
> the form constructor. Calling some unmanaged code from my library there 
> creates a debug assertion:
> 
> "Debug Assertion Failed!
> [...]
> Expression: _CrtIsValidHeapPointer(pUserData)

This has nothing to do with Boost but rather with C++ mixed mode .Net 
programming. Why not ask in the appropriate Microsoft NG or online forum ?