| Value | Meaning |
|---|---|
| underlineModeAlways0 | The LinkButton will always show an underline at the bottom of its text. |
| underlineModeOnHover1 | The LinkButton will show an underline at the bottom of its text when the mouse cursor is over it. |
| underlineModeNever2 | The LinkButton will never show an underline at the bottom of its text. |