Re: Should Paint event be passed up hierarchy?

[Joe Huber <joehuber@talasoft.com>]

> Is it correct behavior for a window's
> paint event handler to fire because a canvas that covers the window is
> refreshed?
Yes, because the canvas may contain transparent regions and that is 
achieved by having the window first draw it's content and then the 
canvas can draw it's opaque regions.
I suspect that a better way to achieve what you want is to avoid 
calling refresh at all and just draw whatever you need directly into 
the canvas. Unless your canvas content has transparent areas intended 
to let the window or other controls to show through, this will work 
much better than messing around with refresh and the flicker that 
often ensues.
Hope this helps,
Joe Huber

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