如何去除 Live Chart 折线图上的线条阴影?

How can I remove line shadows on Live Chart line chart?

我使用实时图表创建了折线图。但是我无法消除这些线下的阴影(图像中的阴影区域)。

 LineSeries yeni = new LineSeries();
            yeni.PointGeometrySize = 20;
            yeni.LineSmoothness = 0;
           // yeni.BitmapEffect.
         //   yeni.PointForeground = System.Windows.Media.Brushes.Transparent;
            yeni.Title = kisiler[i].ToString();
            yeni.Values = new ChartValues<double>(allValues);
            cartesianChart1.Series.Add(yeni);

这样我解决了问题:

yeni.Fill = System.Windows.Media.Brushes.Transparent;