[Tkinter-discuss] Shrinking and Expanding a Frame widget

[Martin Franklin]

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