<Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
            <RowDefinition Height="Auto"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
            <RowDefinition Height="Auto"></RowDefinition>
        </Grid.RowDefinitions>
        <Grid Grid.Row="1" DataContext="{Binding OneVM}">
            <Border Grid.Row="1" Padding="2" SnapsToDevicePixels="true" BorderThickness="3" BorderBrush="Black" Margin="5">
                <ContentControl>
                    <oxy:PlotView Model="{Binding MyModel}"></oxy:PlotView>
                </ContentControl>
            </Border>
        </Grid>
        <Grid Grid.Row="0">
            <Button Margin="5" Content="SaveToPng" Command="{Binding SaveToPngCommand}" CommandParameter="0"
                        HorizontalAlignment="Left"></Button>
        </Grid>
        <GridSplitter Grid.Row="2" VerticalAlignment="Stretch"
                          HorizontalAlignment="Stretch"
                          Height="5"
                          ShowsPreview="True"
                          ></GridSplitter>
        <Grid Grid.Row="3" DataContext="{Binding TwoVM}">
            <Border Grid.Row="1" Padding="2" SnapsToDevicePixels="true" BorderThickness="3" BorderBrush="Black" Margin="5">
                <ContentControl>
                    <oxy:PlotView Model="{Binding MyModel}"></oxy:PlotView>
                </ContentControl>
            </Border>
        </Grid>
        <Grid Grid.Row="4">
            <Button Margin="5" Content="SaveToPng" Command="{Binding SaveToPngCommand}" CommandParameter="1"
                        HorizontalAlignment="Left"></Button>
        </Grid>

    </Grid>