Flat Line Cap
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="Microsoft.Samples.Graphics.RectangleExample" WindowTitle="Example"> <Canvas> <Polyline Stroke="Blue" StrokeThickness="15" StrokeEndLineCap="Flat" SnapsToDevicePixels="True" Points="10,10 30,0 50,20 90,10 200,10" > </Polyline> <TextBlock Grid.Column="1">Flat Line Cap</TextBlock> </Canvas> </Page>