Now we can continue learning about Python by Binding Keys and Events. If you have not read the previous article, then you definitely need to read it since this article continues and builds on all of it. Some of the following examples may contain material from the first article. Mouse : MouseWheel You need to use the 'MouseWheel' event on objects that can scroll. Let's look at an example where we have a global variable to keep count, called 'counter'. When you turn the wheel while... https://www.linux.org/threads/python-series-part-20-binding-keys-and-events-part-2.57751/