AFAIK you can only use COM from windows anyway. OK I have been using them from linux but only with WINE help.
On Thu, Nov 2, 2017 at 3:22 PM, Guillaume Piolat via Digitalmars-d-learn < digitalmars-d-learn@puremagic.com> wrote: > I wonder if anyone has used COM in dlang extensively. > > Context: I must use COM FFI interfacing on systems that aren't > necessarily Windows. It is essential that the layout of interfaces and > classes are the same than in equivalent C++ objects. > > > Question 1. Is it mandatory to inherit from core.sys.windows.unknwn.IUnknown, > or just having an interface named "IUnknown" validate it for being a COM > interface? > > If yes, then how am I supposed to use COM interfaces in other OSes? > core.sys.windows.unknwn.IUnknown is defined under version(Windows). > > I wonder what the exact compiler hook is. > > > Question 2. If this fails, may I emulate COM vtable layout with > extern(C++) class? I wonder what the exact differences are anyway between > extern(C++) and the special IUnknown. > > > Question 3. It seems I can inherit both from A D object and a COM > interface. What will be the choosen layout? >
