Only a few widget classes support the standard scroll options: Listbox, Text, and Canvas allow xscrollcommand and yscrollcommand, whereas the Entry widget only allows the xscrollcommand. We have seen how to apply this pattern to a canvas since it can be used as a generic solution, but you can follow a similar structure to make any of these widgets scrollable and resizable.

Another detail to point out is that we did not call any geometry manager to draw the frame because the create_window() method does this for us. To better organize our application class, we could move all the functionalities that belong to the frame and its inner widgets to a dedicated Frame subclass.