private static void AddVerticalLine(WpfPlot plot, string model, string type, double freq, Color color)
        {
            var vLine = plot.Plot.Add.VerticalLine(freq, 1, color, LinePattern.Dashed);
            vLine.LabelFontColor = Color.FromARGB(0xC0000000);
            vLine.LabelBorderColor = color;
            vLine.LabelBackgroundColor = Colors.Transparent;
            vLine.LabelText = $"{model} {type}={Math.Round(freq, 3)}Hz"; // Label the line with its position
            vLine.LabelRotation = -90;
            vLine.LabelAlignment = Alignment.MiddleRight;
            vLine.LabelOffsetX = -20;
            vLine.LabelOffsetY = -250;
        }