## Boolean Button

A boolean button which is able to write 0/1 to a single bit or the whole PV if `Bit` property is -1.The direction of the button is automatically determined by the bigger one of its height and width.

### Special Properties

- Square Button (square_button)
    If the button is in rectangle shape.
- Show LED (show_led)
    Show LED on the button.

### See Also

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