What are the purposes of AddRef, Release and QueryInterface functions?

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Tushar Agrawal

What are the purposes of AddRef, Release and QueryInterface functions?

By Tushar Agrawal in COM Interop on Aug 01 2006

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Aug, 2006 1
AddRef increments reference count of the object, Release decrements reference counter of the object and QueryInterface obtains a pointer to the requested interface.
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