[Tutor] GUI new project

[Joe Cox]

As a new guy, I was trying to write a simple unit conversion
program in Tk. I got this error message:TclError: unknown option "-command"


>>> Traceback (most recent call last):
  File
"D:\Python24\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py",
line 310, in RunScript
    exec codeObject in __main__.__dict__
  File "D:\Python24\Convert it\Tk Grid demo2py.py", line 70, in ?
    main()
  File "D:\Python24\Convert it\Tk Grid demo2py.py", line 67, in main
    Application().mainloop()
  File "D:\Python24\Convert it\Tk Grid demo2py.py", line 22, in __init__
    , relief=SUNKEN)
  File "D:\Python24\lib\lib-tk\Tkinter.py", line 2409, in __init__
    Widget.__init__(self, master, 'listbox', cnf, kw)
  File "D:\Python24\lib\lib-tk\Tkinter.py", line 1862, in __init__
    self.tk.call(
TclError: unknown option "-command"

Any Ideas?











Joe Cox
513-293-4830
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