<Window x:Class="RxScribble.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
        x:Name="background"
        Background="Transparent"
        MouseDown="OnBackgroundMouseDown"
        MouseUp="OnBackgroundMouseUp"
        >
        <Polyline x:Name="line" Stroke="Black" StrokeThickness="2" />
        <Polyline x:Name="smoothedLine" Margin="0,20,0,0" Stroke="Black" StrokeThickness="2" />
    </Grid>
</Window>
