WPF Basic 2D Graphics Shapes

<Window x:Class="WpfApplication6.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Basic 2D Graphics Shapes" Height="800" Width="830">
<Grid>
    <Line X1="30" Y1="30"  
            X2 ="180" Y2="30"  
            Stroke="Blue"  
            StrokeThickness="2"/>
    <Line X1="30" Y1="50" X2 ="250" Y2="50"  
			Stroke="Blue" StrokeThickness="2" 
			StrokeDashArray="5,3" />
    <Line X1="30" Y1="70" X2 ="250" Y2="70"  
			Stroke="Blue" StrokeThickness="2" 
			StrokeDashArray="5,1,3,2" />
<Line X1="30" Y1="90" X2 ="250" Y2="90"  
			Stroke="Blue" StrokeThickness="2" 
			StrokeDashArray="5,1,3" />
<StackPanel Margin="0,100,0,0" Orientation="Horizontal">
	<StackPanel>
		<TextBlock Text="RadiusX = 0, RadiusY = 0:" 
                       Margin="10 10 10 5"/>
		<Rectangle Width="150" Height="70" 
                       Fill="LightGray" Stroke="Black"/>
		<TextBlock Text="RadiusX = 20, RadiusY = 10:" 
                       Margin="10 10 10 5"/>
		<Rectangle Width="150" Height="70"  
                       RadiusX="20" RadiusY="10"  
                       Fill="LightGray" Stroke="Black"/>
		<TextBlock Text="RadiusX = 75, RadiusY = 35:" 
                       Margin="10 10 10 5"/>
				<Rectangle Width="150" Height="70"  
                       RadiusX="75" RadiusY="35"  
                       Fill="LightGray" Stroke="Black"/>
		<TextBlock Text="Ellipse:" Margin="10 10 10 5"/>
		<Ellipse Width="150" Height="70"  
                     Fill="LightGray" Stroke="Black"/>
		<TextBlock Text="Circle:" Margin="10 10 10 5"/>
		<Ellipse Width="100" Height="100"  
                     Fill="LightGray" Stroke="Black"/>
	</StackPanel>
	<StackPanel  Margin="10,0,0,0" 
HorizontalAlignment="Stretch" VerticalAlignment="Top" Width="Auto" >
<Grid ShowGridLines="True"  Height="400" Width="380"
	HorizontalAlignment="Stretch"  VerticalAlignment="Stretch">
<Grid.RowDefinitions>
    <RowDefinition Height="Auto"/>
    <RowDefinition />
    <RowDefinition />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
    <ColumnDefinition Width="Auto"/>
    <ColumnDefinition />
    <ColumnDefinition />
    <ColumnDefinition />
</Grid.ColumnDefinitions>
 
<TextBlock Grid.Column="0" Grid.Row="1" Text="Rectagle" Margin="5"/>
<TextBlock Grid.Column="0" Grid.Row="2" Text="Ellipse" Margin="5"/>
<TextBlock Grid.Column="1" Grid.Row="0" Text="Fill" 
TextAlignment="Center" Margin="5"/>
<TextBlock Grid.Column="2" Grid.Row="0" Text="Uniform" 
                   TextAlignment="Center" Margin="5"/>
<TextBlock Grid.Column="3" Grid.Row="0" 
                   Text="UniformToFill" TextAlignment="Center" 
                   Margin="5"/>
 
<Rectangle Grid.Column="1" Grid.Row="1"  
                   Fill="LightGray" Stroke="Black"  
                   Stretch="Fill" Margin="5"/>
<Rectangle Grid.Column="2" Grid.Row="1" 
                   Fill="LightGray" Stroke="Black"  
                   Stretch="Uniform" Margin="5"/>
<Rectangle Grid.Column="3" Grid.Row="1" 
                   Fill="LightGray" Stroke="Black" 
                   Stretch="UniformToFill" Margin="5"/>
 
<Ellipse Grid.Column="1" Grid.Row="2" Fill="LightGray" 
		Stroke="Black" Stretch="Fill" Margin="5"/>
<Ellipse Grid.Column="2" Grid.Row="2" Fill="LightGray" 
		Stroke="Black" Stretch="Uniform" Margin="5"/>
<Ellipse Grid.Column="3" Grid.Row="2" Fill="LightGray" 
		Stroke="Black" Stretch="UniformToFill" 	Margin="5"/>
</Grid>
<StackPanel>
	<TextBlock Text="Polyline:"/>
	<Polyline Stroke="Black" StrokeThickness="3"  
		Points="0 70,60 10,110 60,160 10,210 70"/>
	<TextBlock Text="Closed polyline:"   Margin="0 10 0 0"/>
	<Polyline Stroke="Black" StrokeThickness="3"  
		Points="0 70,60 10,110 60,160 10,210 70, 0 70"/>
	<TextBlock Text="Sine curve: codebehind" Margin="0 10 0 0"/>
	<Polyline Name="polyline1" Stroke="Red" StrokeThickness="2"/>
</StackPanel>
</StackPanel>
<StackPanel Margin="5,0,0,0">
    <TextBlock Text="Polygon:"/>
    <Polygon Stroke="Black" StrokeThickness="3" Fill="LightGray"  
                    Points="0 70,60 10,110 60,160 10,210 70"/>
    <TextBlock Text="Filled sine curve: codebehind" Margin="0 10 0 0"/>
    <Polygon Name="polygon1" Stroke="Red" 
StrokeThickness="2" Fill="LightCoral"/>
<TextBlock Text="FileRule = EvenOdd:" Margin="0 0 0 5"/>
<Polygon Stroke="Black" Fill="LightGray" FillRule="EvenOdd"  
                     Points="0 0,0 150,100 150,100 50, 
                             50 50,50 100,150 100,150 0"/>
<TextBlock Text="FileRule = NonZero:" Margin="0 10 0 5"/>
<Polygon Stroke="Black" Fill="LightGray" FillRule="Nonzero"  
                     Points="0 0,0 150,100 150,100 100,50 100, 
                         50 50,100 50,100 100,150 100,150 0"/>
</StackPanel>
</StackPanel>
</Grid>
</Window>
 

public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
 
            for (int i = 0; i < 70; i++)
            {
                double x = i * Math.PI;
                double y = 40 + 30 * Math.Sin(x / 10);
                polyline1.Points.Add(new Point(x, y));
            }
 
 
            for (int i = 0; i < 71; i++)
            {
                double x = i * Math.PI;
                double y = 40 + 30 * Math.Sin(x / 10);
                polygon1.Points.Add(new Point(x, y));
            } 
        }
    }

reference : Practical WPF Graphics Programming