[Tkinter-discuss] Re: Shrinking and Expanding a Frame widget

[Martin Franklin]

Martin Franklin wrote:
> 
> 
> Hi all,
> 
> 
> I just wanted to ask if anyone has been able to programatically shrink
> or expand a Frame widget by setting it's height.  I have this....
> 
> self.height = self.frame.winfo_reqheight()
> for a in range(self.height, 0, -1):
>     self.frame.configure(height=str(a))
>     self.update_idletasks()
>     time.sleep(0.1)
> 
> But it doesn't work!  If I set the time.sleep to 1 second the widget
> flashes (every second) but doesn't shrink.
> 
> The frame widget is packed (with fill and expand set) perhaps this is
> interfering (I have tried changing the packing options to no avail!
> 
> I googled for shrinking Tk Frame widget - and got a few hits but mostly
> links for other widget sets (Tix, etc) *I* am restricted to pure Tkinter
> widgets
> 
> 
> Martin

After more goog'ling

pack_propagate(0)


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