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Is there a difference between TerminateExtension() and the extensions destructor? Obviously both are used to cleanup resources but what kind of cleanup should be in one function and not the other?

theycallmemorty
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The TerminateExtension function takes a DWORD dwFlags. If this is HSE_TERM_ADVISORY_UNLOAD, you can return FALSE or TRUE to either allow or block the unloading from happening.

There's no such option in your class's destructor of course.

http://msdn.microsoft.com/en-us/library/ms524470.aspx

Daniel Earwicker
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  • Thanks. Do you know when the two functions are called? It is my understanding that TerminateExtension is called before the destructor but do you know what triggers each call? – theycallmemorty Jun 24 '09 at 18:57