## Scrollbar

A scrollbar widget that can be used to write or read a numeric PV.

### Operations

At runtime, Clicking the arrow buttons to increase/decrease value in step increment. Dragging the thumb to increase/decrease value smoothly. Clicking or pressing the track to increase/decrease the value in page increment. It also supports changing value with keyboard while it is focused. (It can be focused by clicking its thumb). Use Up/Down key for vertical scrollbar or Left/Right key for horizontal scrollbar to increase/decrease value in step increment. Use PageUp/PageDown key to increase/decrease value in page increment.

### Special Properties

- Minimum (minimum)
    Lower limit of the widget.
- Maximum (maximum)
    Upper limit of the widget.
- Limits From PV(limits_from_pv)
    Load the Maximum andMinimum limits from PV.
- Show Value Tip (show_value_tip)
    Show the value tip while value is changing.
- Horizontal (horizontal)
    If yes, the bar is horizontal. Vertical if no.
- Bar Length (bar_length)
    Length of the bar relative to it value range.
- Step Increment (step_increment)
    The least increment/decrement step while pressing arrow buttons or using Up/Down key for vertical scrollbar or Left/Right key for horizontal scrollbar.
- Page Increment (page_increment)
    The increment/decrement step while clicking or pressing the track or using PageUp/PageDown key.

### See Also

- Properties Common to PV Widgets
- Properties Common to All Widgets