CannonGame.LevelSelecter.Update C# (CSharp) Method

        public override void Update()
        {
            mouse = new Point(Mouse.GetState().X, Mouse.GetState().Y);

            if ((Frameinfo.PreviousMouseState.LeftButton == ButtonState.Pressed) &&
                (Frameinfo.MouseState.LeftButton == ButtonState.Released))
            {
                if (level1.Contains(mouse))
                    CannonGame.ChangeState(7);
                else if (level2.Contains(mouse))
                    CannonGame.ChangeState(8);
                else if (level3.Contains(mouse))
                    CannonGame.ChangeState(9);
                else if (level3.Contains(mouse))
                    CannonGame.ChangeState(10);
                else if (menuButton.Contains(mouse))
                    CannonGame.ChangeState(1);
            }
        }