SurfaceDuoTwoPaneView.razor

<TwoPaneView>
    <Pane1>
        <StackLayout HorizontalOptions="LayoutOptions.FillAndExpand" Margin="20">
            <Label Text="What's LEFT to do for Dual Screen support?"
                   FontSize="40" />

            <Label Text="And where does the standard Blazor Counter demo go?"
                   FontSize="40" TextColor="Color.Orange" Padding="new Thickness(0, 50)" />

            <Grid VerticalOptions="LayoutOptions.FillAndExpand">
                <Layout>
                    <RowDefinition GridUnitType="GridUnitType.Auto" />
                    <RowDefinition GridUnitType="GridUnitType.Auto" />
                    <RowDefinition GridUnitType="GridUnitType.Auto" />
                    <ColumnDefinition GridUnitType="GridUnitType.Auto" />
                    <ColumnDefinition GridUnitType="GridUnitType.Auto" />
                </Layout>
                <Contents>
                    <GridCell Row="0" Column="0" ColumnSpan="2">
                        <Label BackgroundColor="Color.LightBlue" Text="Todo items" FontSize="20" />
                    </GridCell>
                    <GridCell Row="1" Column="0">
                        <Switch IsToggled="true" />
                    </GridCell>
                    <GridCell Row="1" Column="1">
                        <Label Text="Build Surface Duo demo" FontSize="20" />
                    </GridCell>
                    <GridCell Row="2" Column="0">
                        <Switch IsToggled="true" />
                    </GridCell>
                    <GridCell Row="2" Column="1">
                        <Label Text="Did you use Mobile Blazor Bindings?" FontSize="20" />
                    </GridCell>
                </Contents>
            </Grid>

        </StackLayout>
    </Pane1>
    <Pane2>
        <StackLayout HorizontalOptions="LayoutOptions.FillAndExpand" Margin="20">
            <Label Text="Not sure, it seems all RIGHT!"
                   FontSize="40" />

            <Label Text="👇 It goes RIGHT over here! 👇"
                   FontSize="40" TextColor="Color.Orange" Padding="new Thickness(0, 50)" />

            <Counter />
        </StackLayout>
    </Pane2>
</TwoPaneView>