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

Posted by xarzu on Stack Overflow See other posts from Stack Overflow or by xarzu
Published on 2010-05-21T01:22:54Z Indexed on 2010/05/21 1:30 UTC
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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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