How do you draw a line on a canvas in WPF that is 1 pixel thick?

Question

 

The method for drawing a line on a canvas in WPF that uses the line class actually draws a line that is two pixels thick:

      Line myLine = new Line();
      myLine.Stroke = System.Windows.Media.Brushes.Black;
      myLine.X1 = 100;
      myLine.X2 = 140; // 150 too far
      myLine.Y1 = 200;
      myLine.Y2 = 200;
      myLine.StrokeThickness = 1;
      
      graphSurface.Children.Add(myLine);

Microsoft might have decided to set a standard for line thickness and the minimum is 2 pixels thick when you set the strockThickness to 1, but when you already have rectangles drawn in XAML and even error fonts using WingDings, it is an obvious miss-match.  How do you draw a line that is truly 1 pixel thick?

 

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Web Master and Programmer