How to call a method of class D from function of C++ in DLL?

[Nicholas Wilson via Digitalmars-d-learn]

On Sunday, 28 August 2016 at 08:20:52 UTC, MGW wrote:
> On Saturday, 27 August 2016 at 07:13:01 UTC, Nicholas Wilson 
> wrote:
>> easiest method would be to mark the D class extern(C++) noting 
>> that in C++ a D class reference becomes a pointer to the C++ 
>> class.
>
> In "the D class extern(C++)" do't work phobos.

? What has this got to do with Phobos?

extern(C++) ImACPlusPlusClassDefinedInD class
{
     //...
}