The keyboard buffer is flushed after both the User and default handler runs. The keyboard buffer is flushed after botht the User and default handler runs. Routine to pop up little widget dialog boxes. Each box contains a message and some buttons. The user sees the message and chooses a button, the index of which is returned to the calling procedure.
Message is parsed and displayed with the provided buttons.
User pushes a button and the index is returned. This procedure is intentionally flexible. All sorts of goodies can be thought up.