[Pygui] Force Refresh?

[Greg Ewing]

Mark Melvin wrote:

> I am setting the label text, doing some communication over a USB port 
> (which can take a couple seconds), then setting the text to something 
> else.  I never see the first label change.

If you're waiting synchronously -- without returning to the
main event loop -- then this is quite likely to happen.

 > I have a Label
> "placed" inside my main Window, and I don't see any update methods 
> available on either of these. :(

Yep, I need to move the update method higher up the
inheritance hierarchy, or at least make it available on
Window.

-- 
Greg