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What is IUnknown? What methods are provided by IUnknown?
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Answer Posted / cheruku raghu
IUnknown is a type of COM Interface.
Every COM class implements an interface named IUnKnown.
IUnKnown contains three methods:
1) HRESULT QueryInterface()
2) ULONG AddRef()
3) ULONG Release()
| Is This Answer Correct ? | 11 Yes | 0 No |
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