Returns or sets the paint style of a button bar.
TXButtonBar.Appearance [= value]
| Setting | Description | |
| 0 - txFlat | Flat. Paints the button bar without visual effects. | |
| 1 - tx3D | (Default). 3D. Paints the button bar with three-dimensional effects. | |
| 2 - txXP | Paints the button bar's buttons in Windows XP look. | |
| 3 - txColorScheme | The button bar has a light to dark variation in background color. The color depends on the current system settings. |
Integer.