}
}
public void remove(Registration registration, GDDate date) {
try {
system.execute(new RemoveAppointmentFromRegistration(registration, date));
} catch (TransactionDateException e) {
MessageBox box = new MessageBox(GDWindowControl.getInstance().getMainScreen().getShell(), IMessageProvider.INFORMATION);
box.setText("Data Inv�lida");
box.setMessage(MessageConstants.TRANSACTION_DATE_EXCEPTION);
box.open();