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Reverse engineering to get answers

So, I spent the last few days finding a way to create a simple application for drawing images using wxPython, and I think the key to doing this is to understand how to use Device Contexts. The problem is that the wxPython demo program does not demonstrate domain controllers, and the documents for wxPython and wxWidgets do not explain as much as I would like, so I decided to try and "reverse engineer" the existing application to see how it is done.

The first problem is that I don’t know any drawing application written in wxPython (or any Python written for this oo question), and secondly, I don’t know how I would do it. Am I saying correctly that I will need a copy of the source code of the Python application and something like Winpdb? What do professional programmers do when they find themselves in a situation like mine, demanding answers that do not provide documents?

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If you need to understand the concepts, but the documents do not reduce it, you should look at the documents for similar APIs. In the case of drawing contexts in other languages, there are many similar APIs. For example, Java has Swing.

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Source: https://habr.com/ru/post/1729029/

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