Draw second figure with "NonZero" FillRule
<Canvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
TextBlock.FontSize="16">
<Canvas.Resources>
<Style x:Key="star">
<Setter Property="Polygon.Points"
Value="0 -96, 56, 78, -91 -30, 91 -30, -56 78" />
<Setter Property="Polygon.Fill"
Value="Blue" />
<Setter Property="Polygon.Stroke"
Value="Red" />
<Setter Property="Polygon.StrokeThickness"
Value="3" />
</Style>
</Canvas.Resources>
<TextBlock Canvas.Left="288" Canvas.Top="24"
Text="FillRule = NonZero" />
<Polygon Style="{StaticResource star}"
FillRule="NonZero"
Canvas.Left="360" Canvas.Top="168" />
</Canvas>
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