Spinner (computing)

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A spinner is a graphical widget in a GUI, typically oriented vertically, with which a user may adjust a value in an adjoining text box by either clicking on a up or down arrow, or by holding the arrow down, causing the value in the text box to increase (if the up arrow is held down) or decrease (if the down arrow is held). Typically, as the button is held down, the spinner increases the speed at which the value of the spinner is increased or decreased, up to the maximum (or minumum) allowed value. Usually, the value of the spinner is displayed in a text box next to the spinner, allowing the user to use the spinner to adjust the value, or to type the value into the text box.

It is different from a Scrollbar in that a spinner is typically used to adjust a value without changing the format of the display or the other information on the screen.

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