component.idl

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// component.idl
import "unknwn.idl";

[ object, uuid(10000011-0000-0000-0000-000000000001), oleautomation ]
interface IPrime : IUnknown
{
	HRESULT GetNextPrime([out, retval] int* retval);
}

[ object, uuid(10000010-0000-0000-0000-000000000001), oleautomation ]
interface IPrimeFactory : IUnknown
{
	HRESULT CreatePrime(int start_number, [out, retval] IPrime** ppPrime);
}

[ uuid(10000012-0000-0000-0000-000000000001),
  helpstring("Prime Number Component Type Library"),
  version(1.0) ]
library Component
{
	importlib("stdole32.tlb");

	interface IPrime;
	interface IPrimeFactory;

	[ uuid(10000013-0000-0000-0000-000000000001) ]
	coclass Prime
	{
		interface IPrime;
	}
};