component.idl

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import "unknwn.idl";

[
   object,
   uuid(02753f20-716c-11d1-a6fc-0000c0cc7be1),
   dual,
   pointer_default(unique),
   helpstring("ISum Interface")
]
interface ISum : IDispatch
{
   [ helpstring("Sum Method") ]
   HRESULT Sum([in] long x, [in] long y, [out, retval] long * rtn);
}

[
   uuid(02753f21-716c-11d1-a6fc-0000c0cc7be1),
   helpstring("Inside COM+ Type Library"),
   version(1.0)
]
library InsideCOMLib
{
   importlib("stdole32.tlb");

   interface ISum;

   [
      uuid(5ffe7e00-5db6-11d1-a6fc-0000c0cc7be1),
      helpstring("Inside COM+ CoClass")
   ]
   coclass InsideCOM
   {
      interface ISum;
   };

};