MainWindow.xaml

<Window x:Class="GazeMonitor.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Gaze Monitor" Height="365" Width="276" ResizeMode="NoResize"
        ContentRendered="Window_ContentRendered"
        Closing="Window_Closing"
        >
    <DockPanel>
        <Menu DockPanel.Dock="Top" Height="26">
            <MenuItem Header="Calibration">
                <MenuItem Header="New" Click="New_Calibration" />
                <MenuItem Header="Load..." Click="Open_Calibration"/>
                <MenuItem Header="Save As..." Click="Save_Calibration"/>
                <Separator/>
                <MenuItem Header="Calibration Plot..." Click="CalibrationPlot"/>
                <Separator/>
                <MenuItem Header="Exit" Click="Exit"/>
            </MenuItem>
            <MenuItem Header="Tools">
                <MenuItem Header="Accuracy Test" Click="AccuracyTest"/>
                <MenuItem Header="Tracbox Viewer" Click="TracboxViewer"/>
            </MenuItem>
        </Menu>
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="151*"/>
                <RowDefinition Height="92*"/>
            </Grid.RowDefinitions>
            <Button Name="Start_Button" Content="Start" HorizontalAlignment="Left" Margin="34,47,0,0" VerticalAlignment="Top" Width="87" Height="26" RenderTransformOrigin="0.517,1.615" Click="Start_Button_Click" Grid.Row="1" />
            <GroupBox  Header="Angle at Distance" HorizontalAlignment="Left" Margin="34,22,0,0" VerticalAlignment="Top" Height="75"  Width="194">
                <Label x:Name="angleAtDistance" FontSize="32" FontWeight="Bold" Content="" HorizontalAlignment="Center" VerticalAlignment="Center"  HorizontalContentAlignment="Center"  />
            </GroupBox>
            <GroupBox  Header="Angle at Screen" HorizontalAlignment="Left" Margin="34,116,0,0" VerticalAlignment="Top" Height="75"  Width="194" Grid.RowSpan="2">
                <Label x:Name="angleAtScreen" FontSize="32" FontWeight="Bold" Content="" HorizontalAlignment="Center" VerticalAlignment="Center"  HorizontalContentAlignment="Center"  />
            </GroupBox>
        </Grid>
    </DockPanel>
</Window>