Simple button used to represent a link to some resource This kind of buttons are primarily used when the interaction with the button causes a context change (like linking to a web page). Returns the text of the button. Returns the underline mode for this button. Sets the text of the button. Sets the underline mode for this button, the argument must be one of the [LinkButton] constants (see constants section). The LinkButton will always show an underline at the bottom of its text The LinkButton will show an underline at the bottom of its text when the mouse cursor is over it. The LinkButton will never show an underline at the bottom of its text.