What is IUnknown? What methods are provided by IUnknown?
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Answer / 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 |
Answer / mahesh
Iunknow is the base interface for any com component.
it supports three methods
addref()
release()
queryinterface()
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / krithiga.v
IUnknown is the base interface to all other derivable interface.
It contains the methods such as
>queryInterface()
>addRef()
>releaseRef()
| Is This Answer Correct ? | 1 Yes | 2 No |
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