AForge.Controls.ColorSlider.ColorSlider_MouseDown C# (CSharp) Метод

        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;
            }
        }