GeometryDrawing.Pen
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Rectangle Width="80" Height="30">
<Rectangle.Fill>
<DrawingBrush>
<DrawingBrush.Drawing>
<DrawingGroup>
<DrawingGroup.Children>
<GeometryDrawing>
<GeometryDrawing.Pen>
<Pen Thickness="0.02">
<Pen.Brush>
<LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
<GradientStop Color="Black" Offset="0" />
<GradientStop Color="LightGray" Offset="1" />
</LinearGradientBrush>
</Pen.Brush>
</Pen>
</GeometryDrawing.Pen>
<GeometryDrawing.Geometry>
<RectangleGeometry RadiusX="0.2" RadiusY="0.5" Rect="0.02,0.02,0.96,0.96" />
</GeometryDrawing.Geometry>
</GeometryDrawing>
</DrawingGroup.Children>
</DrawingGroup>
</DrawingBrush.Drawing>
</DrawingBrush>
</Rectangle.Fill>
</Rectangle>
</Page>
Related examples in the same category