Process a wxEVT_COMMAND_LISTBOX_SELECTED event, when an item on the
list is selected or the selection changes.
@event{EVT_LISTBOX_DCLICK(id, func)}
Process a wxEVT_COMMAND_LISTBOX_SELECTED event, when an item on the
list is selected or the selection changes.
@event{EVT_LISTBOX_DCLICK(id, func)}