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IUnknown

Note  This topic describes IUnknown in the context of the AVIFile and AVIStream interfaces. For general information about IUnknown, see the Component Object Model (COM) documentation in the Windows SDK.

The IUnknown interface is the OLE interface from which AVIFile and AVIStream interfaces are derived. Interfaces used with AVI files rely on definitions of the QueryInterface, AddRef, and Release methods from this interface.

Related topics

Custom File and Stream Handlers
Custom File and Stream Handler Interfaces

 

 

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