![]() ![]() ![]() ![]() ![]() In editors and list boxes a "line" might mean one line of text in an image viewer it might mean 20 pixels. For a vertical scroll bar connected to a text editor, these typically move the current position one "line" up or down, and adjust the position of the slider by a small amount. The scroll arrows are push buttons which can be used to accurately navigate to a particular place in a document. The slider provides a way to quickly go to any part of the document, but does not support accurate navigation within large documents. Scroll bars typically include four separate controls: a slider, scroll arrows, and a page control.
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