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//!! The IUnknown interface
// definitions to make it self contained.
typedef unsigned long DWORD;
typedef unsigned short WORD;
typedef unsigned char BYTE;
typedef struct _GUID
{
DWORD Data1;
WORD Data2;
WORD Data3;
BYTE Data4[8];
} GUID;
typedef GUID IID;
typedef IID *REFIID;
typedef int HRESULT;
typedef unsigned long ULONG;
[
local,
object,
uuid(00000000-0000-0000-C000-000000000046),
pointer_default(unique)
]
interface IUnknown
{
HRESULT QueryInterface(
[in] REFIID riid,
[out, iid_is(riid)] void **ppvObject);
ULONG AddRef();
ULONG Release();
}
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