29) Example for Combined Geometry to Draw VenDiagram with Union

Step 1 : Mainwindow.xaml

<Window x:Class="LineDraw.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Path Stroke="red" StrokeThickness="5" Margin="72,7,55,9">
            <Path.Data>
                <CombinedGeometry GeometryCombineMode="Union">
                    <CombinedGeometry.Geometry1>
                        <EllipseGeometry Center="150,150" RadiusX="100" RadiusY="100"/>
                     
                    </CombinedGeometry.Geometry1>
                    <CombinedGeometry.Geometry2>
                        <EllipseGeometry Center="250,150" RadiusX="100" RadiusY="100"/>
                    </CombinedGeometry.Geometry2>
                </CombinedGeometry>
            </Path.Data>
        </Path>
    </Grid>
</Window>

Output :