MetroFramework.Controls.MetroTrackBar.OnMouseDown C# (CSharp) Method

        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                isPressed = true;
                Invalidate();
            }

            base.OnMouseDown(e);

            if (e.Button == MouseButtons.Left)
            {
                Capture = true;
                OnScroll(ScrollEventType.ThumbTrack, trackerValue);
                OnValueChanged();
                OnMouseMove(e);
            }
        }