Microsoft.Xna.Framework.Input.GamePadState.IsButtonDown C# (CSharp) Method

        public bool IsButtonDown(Buttons button)
        {
            return (GetVirtualButtons() & button) == button;
        }
        //

        public void Update(GamePadState pad)
        {
            if (pad.IsButtonDown(Buttons.LeftThumbstickDown) && !oldPad.IsButtonDown(Buttons.LeftThumbstickDown))
            {
                if (current < 3)
                {
                    current++;
                }
            }
            if (pad.IsButtonDown(Buttons.LeftThumbstickUp) && !oldPad.IsButtonDown(Buttons.LeftThumbstickUp))
            {
                if (current > 1)
                {
                    current--;
                }
            }
            if (pad.IsButtonDown(Buttons.A) && oldPad.IsButtonUp(Buttons.A))
            {
                if (current == 1)
                {
                    FirstGame.start = true;
                }
                else if (current == 3)
                {
                    FirstGame.exit = true;
                }
            }

            oldPad = pad;
        }