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Tkinter GUI Application Development Blueprints - Second Edition by Bhaskar Chaudhary

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Event unbinding and virtual events

In addition to the bind method that you previously saw, you might find the following two event-related options useful in certain cases:

  • Unbind: Tkinter provides the unbind option to undo the effect of an earlier binding. The syntax is as follows:
widget.unbind(event)

The following are some examples of its usage:

entry.unbind('<Alt-Shift-5>')root.unbind_all('<F1>')root.unbind_class('Entry', '<KeyPress-Del>')
  • Virtual events: Tkinter also lets you create your own events. You can give these virtual events any name that you want. For example, let's suppose that you want to create a new event called <<commit>>, which is triggered by the F9 key. To create this virtual event on a given widget, use the following ...

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