C++ interface vs D and com

Adam Sansier via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Tue Jul 12 14:21:04 PDT 2016


On Tuesday, 12 July 2016 at 15:12:21 UTC, Lodovico Giaretta wrote:
> On Tuesday, 12 July 2016 at 15:09:26 UTC, Adam Sansier wrote:
>> So, com throughs me a interface ptr and I need to map it to an 
>> interface. When I do, I get an access violation.
>>
>> I have an (com) ptr and an interface. How do I link them up so 
>> I can call the functions?
>>
>> I marked the interface extern(C++) so it's a C++ style 
>> interface.
>>  The first field of a COM object is a pointer to its vtable.  
>> This is still true in extern(C++) D, right? The calling 
>> convention is thiscall.
>>
>> https://dlang.org/spec/cpp_interface.html
>
> I'm not an expert in this field, but did you read this[1]?
>
> [1] https://dlang.org/spec/interface.html#com-interfaces

Yes, of course...


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