private void btnCreateTourist_Click(object sender, EventArgs e)
{
if (index < rooms.Length)
{
rooms[index++] = new TouristRoom(rnd.Next(1, 101), rnd.Next(1, 101), rnd.Next(1, 4));
}
}
//copy constructor
public TouristRoom(TouristRoom t)
: this(t.RoomNumber, t.DaysOccupied, t.NumOfBeds)
{ }
