This pane consists of a text input area, and a button. Clicking on the button displays a drop-down list of strings, and selecting one of the strings automatically pastes it into the text input area.
class behaves in the same way as a text-input-pane, but has additional functionality. The element inherits from choice, and the choice
are used as the items to display when the user clicks on the button.
is called when the user selects an item using the drop-down list, or when the user presses the
LispWorks CAPI Reference Manual - 11 Apr 2005