private void buttonAttack_Click(object sender, EventArgs e) { this.buttonAttack.Enabled = !this.buttonAttack.Enabled; this.buttonDefend.Enabled = !this.buttonDefend.Enabled; penguin.Attack(orca); this.listBox1.Items.Add("You've attacked the orca! \n Current enemy's Hp = " + orca.Hitpoint); if (!orca.isAlive()) { this.Close(); Map.eData[orca.Rows, orca.Columns] = EntityFactory.CreateWay(new Point(orca.Rows, orca.Columns)); } }