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

        protected override void OnMouseMove(MouseEventArgs e)
        {
            base.OnMouseMove(e);

            if (Capture & e.Button == MouseButtons.Left)
            {
                ScrollEventType set = ScrollEventType.ThumbPosition;
                Point pt = e.Location;
                int p = pt.X;

                float coef = (float)(barMaximum - barMinimum) / (float)(ClientSize.Width - 3);
                trackerValue = (int)(p * coef + barMinimum);

                if (trackerValue <= barMinimum)
                {
                    trackerValue = barMinimum;
                    set = ScrollEventType.First;
                }
                else if (trackerValue >= barMaximum)
                {
                    trackerValue = barMaximum;
                    set = ScrollEventType.Last;
                }

                OnScroll(set, trackerValue);
                OnValueChanged();

                Invalidate();
            }
        }