[vtk-developers] window going blank...

[Sebastien BARRE]

At 10/7/2008 12:06 PM, David Cole wrote:
>If you want to do something that takes longer than Windows' 
>definition of "not responding" and still call yourself an 
>interactive Windows application, at a minimum you need to call 
>PeekMessage every few seconds (even if your call does not remove the 
>messages from the queue or process them...).
>
>According to the documentation for the IsHungAppWindow Windows SDK 
>function...:
><http://msdn.microsoft.com/en-us/library/ms633526(VS.85).aspx>http://msdn.microsoft.com/en-us/library/ms633526(VS.85).aspx
>
>...calling PeekMessage every 5 seconds should prevent the "not 
>responding" status.
>
>It also says that 5 seconds is subject to change, and I would guess 
>it's less than 5 now with Vista.

Thanks Dave, I'll test that in VolView, say everything second to be 
safe (I timed the "not responding kill switch" threshold at about 2 
seconds on my Vista box).
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