Unable to register TclNotifier window class

[Gordon McMillan]

[Talking to myself]

Still don't know what the real problem was, but once I changed it 
to keep a reference to a frame I was using for alignment, the problem 
went away...

> OK Tk wizards (hi, /F-bot!)
> 
> I'm getting "Unable to register TclNotifier window class".
> What does this mean?
> 
> Details:
>   Python 1.5.2b2 on NT SP4
> 
> I'm doing a tree control / form style window:
>  a big frame
>  another frame, packed 'left' with a Pmw.ScrolledListBox acting as a
>  
> tree control.
>  Then I have three different frames, each holding a "form" for
> displaying / editing a particular record type.
>  When a new item in the tree control is selected, I "pack_forget"
>  (if 
> the record type has changed) the right hand frame, then "pack" the
> appropriate frame and fill the form.
> 
>  Works dandy for 2 of the three forms. Actually, the problem form
> fills properly, too, it just does a St Vitus dance until I kill the
> whole app (it appears to be continually re-packing itself). My
> console window has the mystery error.
> 
>  The problem form is the most complex (has the most widgets), but
> otherwise they are all clones of each other.
> 
> - Gordon

- Gordon