WPF 2D Bezier Curve

<Window x:Class="WpfApplication19.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Bezier Curve" Height="300" Width="300">
<Window.Resources>
<SolidColorBrush x:Key="MyGrayGridBrush" Color="YellowGreen"/>
</Window.Resources>
<Viewbox Stretch="Fill">
<Border Margin="5" BorderBrush="Black" 
BorderThickness="1"  
Background="{StaticResource MyGrayGridBrush}" 
HorizontalAlignment="Left">
<Canvas x:Name="canvas1" Width="300" Height="270">
<Path Stroke="Black" StrokeThickness="5">
<Path.Data>
	<PathGeometry>
		<PathFigure StartPoint="20,20">
			<BezierSegment  
x:Name="bezierSegment" Point1="150,50"  
Point2="60,160" Point3="250,230"/>
		</PathFigure>
	</PathGeometry>
</Path.Data>
</Path>
<Path x:Name="path1" Fill="Red" Stroke="Red">
<Path.Data>
	<GeometryGroup>
		<LineGeometry x:Name="line1" 
                        StartPoint="20,20" 
                        EndPoint="150,50"/>
		<EllipseGeometry x:Name="ellipse1" 
                        Center="150,50"  
                        RadiusX="5"  
                        RadiusY="5" />
		<LineGeometry x:Name="line2" 
                        StartPoint="60,160" 
                        EndPoint="250,230"/>
		<EllipseGeometry x:Name="ellipse2" 
                        Center="60,160" 
                        RadiusX="5"  
                        RadiusY="5" />
	</GeometryGroup>
</Path.Data>
</Path>
 
<!-- Set animation: -->
<Canvas.Triggers>
<EventTrigger RoutedEvent="Canvas.Loaded">
	<BeginStoryboard>
		<Storyboard RepeatBehavior="Forever" AutoReverse="True">
			<PointAnimation Storyboard.TargetName="bezierSegment" 
        Storyboard.TargetProperty="Point1" 
        From="50 20" To="250 20"  
        Duration="0:0:5"/>
 
			<PointAnimation Storyboard.TargetName="line1" 
    Storyboard.TargetProperty="EndPoint" 
    From="50 20" To="250 20"  
    Duration="0:0:5"/>
 
			<PointAnimation Storyboard.TargetName="ellipse1" 
    Storyboard.TargetProperty="Center" 
    From="50 20" To="250 20"  
    Duration="0:0:5"/>
 
			<PointAnimation Storyboard.TargetName="bezierSegment" 
    Storyboard.TargetProperty="Point2" 
    From="60 50" To="60 250" 
    Duration="0:0:5"/>
			<PointAnimation Storyboard.TargetName="line2" 
    Storyboard.TargetProperty="StartPoint" 
    From="60 50" To="60 250"  
    Duration="0:0:5"/>
 
			<PointAnimation Storyboard.TargetName="ellipse2" 
    Storyboard.TargetProperty="Center" 
    From="60 50" To="60 250"  
    Duration="0:0:5"/>
 
		</Storyboard>
	</BeginStoryboard>
</EventTrigger>
</Canvas.Triggers>
</Canvas>
</Border>
</Viewbox>
</Window>

reference : Practical WPF Graphics Programming