System.Windows.Forms.ColorPickerForm.HuePicker.OnMouseUp C# (CSharp) 메소드

            protected override void OnMouseUp(MouseEventArgs e)
            {
                Hue = (float)e.Y / Height;
                if (Hue < 0) Hue = 0;
                if (Hue > 1) Hue = 1;
                _mouseDown = false;
            }
            protected override void OnPaint(PaintEventArgs e)