Populating a List box with btn Click Event

[Behseini]

Hi,
I am trying to create a simple GUI which let user to populate a list box base on a click event in wxpython.
Can you please point me into a simple tutorial or example which has a sample?
For example I have a list of colors: Red, Green, Blue, and Yellow. Now how I can populate them inside a list box with binding a btn click event handeling?

Thanks for your time and comments

[Gribouillis]

Vegaseat wrote this great example 7 years ago, and it still works out of the (list) box !

[Behseini]

Thank you! this is excaclty what i was looking for