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()
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Answer / mahesh
Iunknow is the base interface for any com component.
it supports three methods
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Answer / krithiga.v
IUnknown is the base interface to all other derivable interface.
It contains the methods such as
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