scrollbar

Tkinter scrollbar for frame

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My objective is to add a vertical scroll bar to a frame which has several labels in it. The scroll bar should automatically enabled as soon as the labels inside the frame exceed the height of the frame. After searching through, I found this useful post. Based on that post I understand that in order to achieve what i want, (correct me if I am wrong, I am a beginner) I have to create a Frame first, then create a Canvas inside that frame and stick the scroll bar to that frame as well. After that, create another frame and put it inside the canvas as a window object. So, I finally come up with this:

tkinter: using scrollbars on a canvas

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I’m trying to make a canvas scrollable. However, once I try to set up scrollbars to work with the canvas, tkinter seems to completely ignore the dimensions I initially set for my canvas. I’ve tried packing them all in a frame, setting the canvas to fill the frame and then setting the frame size, but that presents the same problem unless I set the frame to fill the window as well, which isn’t what I want. Basically, I want a fixed-size canvas with scrollbars on it. My current code looks like this (in python 3.1):