small tkinter problem

[Martin Franklin]

On Wednesday 31 Jul 2002 12:47 pm, Raimo Tuisku wrote:
> On Wed, 31 Jul 2002 15:51:26 +0300, oberon wrote:
> >   File "D:\projects\oberon\mdbapp.py", line 21, in __init__
> >     self.results = Listbox(frame,
> > yscrollcommand=self.rescroll.set).grid(row=4,column=0,sticky=W+E,columnsp
> >an=2) AttributeError: 'NoneType' object has no attribute 'set'
>
> The error message says it all:
> >     self.rescroll = Scrollbar(frame).grid(row=4,column=2)
>
> You set the return value of grid to self.rescroll which is none.


IOW

self.results = Listbox(frame,yscrollcommand=self.rescroll.set)
self.results.grid(row=4,column=0,sticky=W+E,columnspan=2)


binding the  name self.results to the Listbox NOT the return value of the 
grid method of the Listbox will give you the desired result


Regards
Martin