Universal Windows Platform appでCommandBarを任意の場所に置く

Windows Insider Preview 10074 + VS2015 RC時点の情報です

PageのTopAppBarプロパティやBottomAppBarプロパティに置くのがセオリーなCommandBarですが、こいつは任意の場所に置くことができます。意味があるかはわかりませんが以下のようにListViewの要素に置くこともできます。

以下のような感じで。

<Page
    x:Class="App25.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App25"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <ListView>
            <ListView.ItemContainerStyle>
                <Style TargetType="ListViewItem">
                    <Setter Property="HorizontalContentAlignment" Value="Stretch" />
                </Style>
            </ListView.ItemContainerStyle>
            <ListViewItem>
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto" />
                        <RowDefinition Height="Auto" />
                    </Grid.RowDefinitions>
                    <TextBlock Text="XXXXXXXXXXXXXXXXX" />
                    <CommandBar Grid.Row="1">
                        <AppBarButton Icon="Accept" Label="XXX" />
                        <AppBarButton Icon="Delete" Label="XXX" />
                        <AppBarButton Icon="OtherUser" Label="XXX" />
                    </CommandBar>
                </Grid>
            </ListViewItem>
            <ListViewItem>
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto" />
                        <RowDefinition Height="Auto" />
                    </Grid.RowDefinitions>
                    <TextBlock Text="XXXXXXXXXXXXXXXXX" />
                    <CommandBar Grid.Row="1">
                        <AppBarButton Icon="Accept" Label="XXX" />
                        <AppBarButton Icon="Delete" Label="XXX" />
                        <AppBarButton Icon="OtherUser" Label="XXX" />
                    </CommandBar>
                </Grid>
            </ListViewItem>
            <ListViewItem>
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto" />
                        <RowDefinition Height="Auto" />
                    </Grid.RowDefinitions>
                    <TextBlock Text="XXXXXXXXXXXXXXXXX" />
                    <CommandBar Grid.Row="1">
                        <AppBarButton Icon="Accept" Label="XXX" />
                        <AppBarButton Icon="Delete" Label="XXX" />
                        <AppBarButton Icon="OtherUser" Label="XXX" />
                    </CommandBar>
                </Grid>
            </ListViewItem>
        </ListView>
    </Grid>
</Page>