MetroFramework.Controls.MetroScrollBar.OnMouseWheel C# (CSharp) Method

        protected override void OnMouseWheel(MouseEventArgs e)
        {
            base.OnMouseWheel(e);

            int v = e.Delta / 120 * (maximum - minimum) / mouseWheelBarPartitions;

            if (Orientation == MetroScrollOrientation.Vertical)
            {
                Value -= v;
            }
            else
            {
                Value += v;
            }
        }