COM.h

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#pragma once
 
#include "REX/W32/BASE.h"
 
namespace REX::W32
{
    struct __declspec(novtable, uuid("00000000-0000-0000-c000-000000000046"))
        IUnknown
    {
        virtual HRESULT       QueryInterface(const IID& a_iid, void** a_object) = 0;
        virtual std::uint32_t AddRef() = 0;
        virtual std::uint32_t Release() = 0;
 
        template <class T>
        HRESULT QueryInterface(T** a_object)
        {
            return QueryInterface(*reinterpret_cast<const IID*>(&__uuidof(T)), static_cast<void**>(a_object));
        }
    };
}
 
namespace REX::W32
{
    inline constexpr IID IID_IUnknown{ 0x00000000, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46 } };
}