ColorPicker.HsvControl.OnMouseLeftButtonDown C# (CSharp) Method

        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
        {
            if (m_thumb != null)
            {
                Point position = e.GetPosition(this);

                UpdatePositionAndSaturationAndValue(position.X, position.Y);

                // Initiate mouse event on thumb so it will start drag
                m_thumb.RaiseEvent(e);
            }

            base.OnMouseLeftButtonDown(e);
        }