FlatRedBall.Gui.TimeLine.ScrollBarChanged C# (CSharp) Method

        private void ScrollBarChanged(Window callingWindow)
        {
            double range = MaximumValue - MinimumValue;

            if (!double.IsPositiveInfinity(range) && !double.IsNegativeInfinity(range))
            {

                Start = MinimumValue + range * mScrollBar.RatioDown;
            }
        }