What is IUnknown and what are its three parts?

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Nitin Sharma

  • May 12th, 2005
 

The COM interface class from which all other interface classes are derived. This interface allows all COM objects to manage their own lifetime, ie, to release themselves from memory when they are no longer connected to any clients. 

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whirlpool

  • Dec 20th, 2007
 

IUnknown is common interfacec supported by all COM objects.The 3 member functions are

1.QueryIntrface

2.Addref

3.Release.

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