[[Property:title|WEL_UP_DOWN_CONTROL]] [[Property:weight|15]] [[Property:uuid|71cbdf70-3bf0-a087-6859-30c1564c27a4]] A [[ref:libraries/wel/reference/wel_up_down_control_chart|WEL_UP_DOWN_CONTROL]] consists of a pair of arrows which are used to increment or decrement a value. Using set_buddy_window, a window of type [[ref:libraries/wel/reference/wel_window_chart|WEL_WINDOW]] can be linked to this control, and is commonly used to display the current value. ==Appearance== [[Image:wel-up-down-control|wel_up_down_control]]