Tkinter long-running window freezes

[John O'Hagan]

On Sat, 27 Feb 2021 10:59:24 +1100
John O'Hagan <research at johnohagan.com> wrote:

> On Fri, 26 Feb 2021 08:19:14 +0100
> Christian Gollwitzer <auriocus at gmx.de> wrote:
[...]
> 
> > Can you also check this program, which reuses the same widget path
> > name, albeit does the creation/destruction in cycles:
> > 
> > ======================
> > package require Tk
> > 
> > proc randint {} {
> >      expr {int(rand()*10000000)}
> > }
> > 
> > proc display {label} {
> >      destroy $label
> >      set label [label .l -text [randint]]
> >      pack $label
> >      after 100 [list display $label]
> > }
> > 
> > display [label .l]
> > ========================
> >   
> 
> I have tried this overnight and it is still running, not frozen and
> with no apparent increase in memory use. 

[...]

Correction! The window did freeze after all, and again on a second
attempt. No memory rise though, so those two issues seem to be
independent.

Thanks

--

John