private void btnCarEntersCarPark2_Click(object sender, EventArgs e) { carPark.CarEnteredCarPark2(); entrySensor2.CarLeftSensor2(); btnCarEntersCarPark2.Visible = false; if (carPark.IsFull() == true) { btnCarArrivesAtEntrance2.Visible = false; } else { btnCarArrivesAtEntrance2.Visible = true; } if (ActiveRight() == false) { btnCarArrivesAtExit.Visible = true; } if (ActiveRight2() == false) { btnCarArrivesAtExit2.Visible = true; } UpdateDisplay(); }