private void formsPlot1_MouseMove(object sender, MouseEventArgs e)
    {
      (double x, double y) mouseCoordinates = this.formsPlot1.GetMouseCoordinates();
      (double x, double y, int index) = this.MyScatterPlot.GetPointNearest(mouseCoordinates.x, mouseCoordinates.y, this.formsPlot1.Plot.XAxis.Dims.PxPerUnit / this.formsPlot1.Plot.YAxis.Dims.PxPerUnit);
      this.HighlightedPoint.X = x;
      this.HighlightedPoint.Y = y;
      this.HighlightedPoint.IsVisible = true;
      if (this.LastHighlightedIndex != index)
      {
        this.LastHighlightedIndex = index;
        this.formsPlot1.Refresh(false, false);
      }
      this.label1.Text = string.Format("Closest point to ({0:N0}, {1:N0}) ", (object) e.X, (object) e.Y) + string.Format("is index {0} ({1:N2}, {2:N2})", (object) index, (object) x, (object) y);
    }

public string Title => "Mouse Tracker";

    public string Description => "Demonstrates how to interact with the mouse " +
        "and convert between screen units (pixels) and axis units (coordinates)";

    readonly ScottPlot.Plottables.Crosshair CH;

    public MouseTracker()
    {
        InitializeComponent();

        CH = formsPlot1.Plot.Add.Crosshair(0, 0);

        formsPlot1.MouseMove += (s, e) =>
        {
            // demonstrate pixel-to-coordinates
            Pixel px = new(e.X, e.Y);
            Coordinates coordinates = formsPlot1.GetCoordinates(px);

            // demonstrate coordinates-to-pixel
            Pixel px2 = formsPlot1.Plot.GetPixel(coordinates);

            // place the crosshair where the mouse is
            CH.Position = coordinates;
            formsPlot1.Refresh();

            // display where the mouse is in the titlebar
            Text = $"{px2} {coordinates}";
        };
    }