Configuring Mouse Wheel

In the past, mouse just has two or three buttons. In this moment, it has added with scroll/wheel in its middle of mouse. It has function to scroll your current view document. And it makes our lives be easier because you don’t need to click up arrow or down arrow on scroll bar anymore. Just scroll it, your document will scroll. This article will discuss how to configure it, because Windows will scroll it for three lines by default.
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