4.7 oskit_iunknown: base interface for all COM objects

 

The oskit_iunknown interface, known as IUnknown in the Win32 API, serves as the basis for all other COM interfaces; it provides the following three methods which all COM interfaces are required to support:

query

Query for a different interface to the same object.

addref

Increment the reference count on the interface.

release

Decrement the reference count on the interface.

• 4.7.1 query: Query for a different interface to the same object
• 4.7.2 addref: Increment an interface's reference count
• 4.7.3 release: Release a reference to an interface