<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" HorizontalAlignment="Center" VerticalAlignment="Center"> <Button HorizontalAlignment="Center" VerticalAlignment="Center"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition /> <ColumnDefinition /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <Ellipse Grid.Column="0" Grid.Row="0" Fill="Blue" Width="10" Height="10" /> <Ellipse Grid.Column="2" Grid.Row="0" Fill="Blue" Width="10" Height="10" /> <Ellipse Grid.Column="0" Grid.Row="2" Fill="Blue" Width="10" Height="10" /> <Ellipse Grid.Column="2" Grid.Row="2" Fill="Blue" Width="10" Height="10" /> <Ellipse Grid.ColumnSpan="3" Grid.RowSpan="3" Stroke="LightGreen" StrokeThickness="3" /> <TextBlock Grid.Column="1" Grid.Row="1" VerticalAlignment="Center" Text="Click!" /> </Grid> </Button> </Page>