Simple: 0 1 0 1 Parameter: 0 1 1 1 alignment 0 2 2 1 vertical app.increment Increment app.decrement Decrement 2 1 0 1 False 0 1 1 0 1 False 1 1 1 1 vertical app.parameter 'a' a app.parameter 'b' b app.parameter 'c' c 2 1 1 1 vertical app.alignment 'left' left app.alignment 'center' center app.alignment 'right' right 2 1 2 1