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### 17.5 Counter Object

A counter provides a different mechanism for the user to select a value. In consists of a box displaying a value with one or two buttons on each side. The user can press these buttons to change the value (and while the mouse button is kept pressed down the value will continue to change, slow at first and faster after some time). If the counter has four buttons, the left- and right-most button make the value change in large steps, the other buttons make it change in small steps.