[Tkinter-discuss] How to make Button Command work as a called function ?

[Bogus Zaba]

I was right - a rookie mistake. Sorry to take up your time...

Bogus

Michael O'Donnell wrote:
> HI Bogzab,
>
>   
>>        def wait_a_bit():
>>                topwin.iconify
>>                print "Pressed No"
>>     
>
> change the second line for:
>     topwin.iconify()
>
> You need to end a method call with () to indicate it is
> an invocation. Otherwise, the statement just returns
> a pointer to the method.
>
> Mick
>
>
> On Mon, Nov 2, 2009 at 10:48 PM, bogzab <bogus at bogzab.plus.com> wrote:
>   
>> I think I am making a rookie error with this somewhere but cannot figure out
>> where.
>>
>> If I create a button with these lines of code :
>>
>>        topwin = Tk()
>>        ...
>>        frame = Frame(topwin)
>>        ...
>>        butt2 = Button(frame, text="Not yet", command=topwin.iconfiy)
>>
>> When the program runs, the button acts as expected and the window is
>> iconified.
>>
>> If however the line which creates the button is :
>>
>>        butt2 = Button(frame, text="Not yet", command=wait_a_bit)
>>
>> where wait_a_bit is a function I define as follows :
>>
>>        def wait_a_bit():
>>                topwin.iconify
>>                print "Pressed No"
>>
>> then the print statement in this function works, but the topwin.iconify
>> statement
>> does not.
>>
>> I have tried declaring topwin to be global but this made no difference.
>>
>> Can anybody point me to where my error lies in the second approach ? I want
>> to
>> do it as a function because there are other bits of code as well as the
>> iconify
>> that I need to incorporate.
>>
>> --
>> View this message in context: http://old.nabble.com/How-to-make-Button-Command-work-as-a-called-function---tp26157859p26157859.html
>> Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.
>>
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>>
>>     
>
>