title: Why the Path and Polyline have different renderings in WPF?
body: <p>Why the Path and Polyline have different renderings in WPF?</p>
  
  <p>This is happening both in code and blend, maybe a I missing something or this
  is just a anti aliasing effect.</p>
  
  <pre><code>&lt;Window
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   x:Class="GeometryMonky.Window1"
   x:Name="Window"
   Title="Window1"
   Width="640" Height="480" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"&gt;
  
   &lt;Grid x:Name="LayoutRoot"&gt;
    &lt;Path Fill="#FFFFFFFF" Stretch="Fill" Stroke="#FF0000FF" Margin="100,10,0,0" Data="M289,39 L333,173" Width="1" HorizontalAlignment="Left" Height="100" StrokeThickness="1"/&gt;
  
    &lt;Polyline Stroke="#FF0000FF" Margin="115,178,417,168" StrokeThickness="1" Width="100" Height="100"&gt;
     &lt;Polyline.Points&gt;
      &lt;Point&gt;10,0&lt;/Point&gt;
      &lt;Point&gt;10,100&lt;/Point&gt;
     &lt;/Polyline.Points&gt;
    &lt;/Polyline&gt;
   &lt;/Grid&gt;
  &lt;/Window&gt;
  </code></pre>
  
  <p>Image sample from Blend:
  <a href="http://img190.imageshack.us/img190/2965/wpfsmaple.png" rel="nofollow noreferrer">http://img190.imageshack.us/img190/2965/wpfsmaple.png</a></p>
  
  <p>Development system:
  WinXP SP2, VS 2008 + SP1</p>