protected override void Open()
{
base.Open();
BT.ChangeText(0, Languages.getString("SapXep"));
BT.SetListener(0, SapXep);
UpdateList();
PlayerController.PlayerCurrent.LockMove.Register("OpenKho");
}
protected override void Close()
{
base.Close();
BT.ChangeText(0, "Mo");
BT.SetListener(0, Open);
HienBT();
PlayerController.PlayerCurrent.LockMove.CancelRegistration("OpenKho");
}