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IE 7 hangs while shutting down in Vista SP1 with multiple tabs

microsoft.public.internetexplorer.general






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Old 09-29-2008
Mahesh_p
 

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IE 7 hangs while shutting down in Vista SP1 with multiple tabs
Hi,

I am working on a BHO where I create a hidden window for every TAB instance
(This is required for my internal use). When I receive SetSite(NULL) for the
TAB (While closing IE) I go ahead and destroy this window. In Vista SP1 on
some occasions (1 in about 100 times) I see that the DestroyWindow() call
hangs and never returns causing IE to freeze. When I look at the callstack I
see that it is hanging inside NtUserDestroyWindow(). I don't see the hang in
XP.
The hidden window is created withouit any parent.

Has anybody has seen this behaviour?

Thanks,
Mahesh
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