UWP - Polygon example

MainPage.xaml

<Page
    x:Class="UniversalAppTutorials.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:UniversalAppTutorials"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <StackPanel 
        x:Name="StackPanel1" 
        Margin="50" 
        Orientation="Horizontal"
        Background="AliceBlue"
        Padding="50"
        >
        <Polygon
            Fill="Red"
            Points="20,300,120,75,150,300,20,175"
            Margin="0,0,50,0"
            />
    </StackPanel>
</Page>

MainPage.xaml.cs

using Windows.UI.Xaml.Controls;
using Windows.UI;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Shapes;
using Windows.Foundation;


namespace UniversalAppTutorials
{
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();

            // Create a polygon
            CreatePolygon();
        }

        private void CreatePolygon()
        {
            // Initialize a new polygon instance
            Polygon polygon = new Polygon();

            // Fill the polygon with a solid color
            polygon.Fill = new SolidColorBrush(Colors.Blue);

            // Initialize a new point collection
            var points = new PointCollection();
            points.Add(new Point(20, 120));
            points.Add(new Point(120, 180));
            points.Add(new Point(80, 200));
            points.Add(new Point(20, 340));

            // Set polygon points
            polygon.Points = points;

            // Finally, add the polygon to layout
            StackPanel1.Children.Add(polygon);
        }
    }
}