Accord.Controls.ColorSlider.ColorSlider_MouseDown C# (CSharp) Method

        private void ColorSlider_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            int x = (ClientRectangle.Right - width) / 2 - 4;
            int y = 3 + height;

            // check Y coordinate
            if ((e.Y >= y) && (e.Y < y + 6))
            {
                // check X coordinate
                if ((e.X >= x + min) && (e.X < x + min + 9))
                {
                    // left arrow
                    trackMode = 1;
                    dx = e.X - min;
                }
                if ((doubleArrow) && (e.X >= x + max) && (e.X < x + max + 9))
                {
                    // right arrow
                    trackMode = 2;
                    dx = e.X - max;
                }

                if (trackMode != 0)
                    this.Capture = true;
            }
        }