正如您在下面我从 Microsoft Sample 获得的代码中看到的那样
<SemanticZoom.ZoomedOutView>
<tiles:VariableTileControl x:Name="SemanticItemGridView"
AutomationProperties.AutomationId="itemGridView"
AutomationProperties.Name="Grouped Items"
Padding="80,87,10,0"
ItemsSource="{Binding Source={StaticResource SemanticgroupedItemsViewSource}}"
ItemTemplateSelector="{StaticResource SemanticMyTemplates}"
SelectionMode="None"
IsSwipeEnabled="false"
IsItemClickEnabled="True"
ItemClick="ItemView_ItemClick"
Margin="0,0,0,-13"
HorizontalAlignment="Left"
ScrollViewer.HorizontalScrollBarVisibility="Disabled"
ItemContainerStyle="{StaticResource SemanticGridViewItemStyle}">
<tiles:VariableTileControl.ItemsPanel>
<ItemsPanelTemplate>
<VariableSizedWrapGrid Margin="0,0,10,0"/>
</ItemsPanelTemplate>
</tiles:VariableTileControl.ItemsPanel>
<tiles:VariableTileControl.GroupStyle>
<GroupStyle>
<GroupStyle.HeaderTemplate>
<DataTemplate>
<StackPanel Margin="1,0,0,6" Orientation="Horizontal" MinWidth="280">
<Button AutomationProperties.Name="Group Title"
Content="{Binding Title}"
Click="Header_Click"
Style="{StaticResource TextButtonStyle}" Foreground="White" FontSize="28" Background="#FFD71921" FontWeight="Light"/>
<TextBlock x:Name="tbk" Text="TM" VerticalAlignment="Top" Visibility="{Binding Tm}"/>
<TextBlock TextWrapping="Wrap" VerticalAlignment="Center" FontFamily="Segoe UI" FontSize="28" FontWeight="Light" Text="("/>
<TextBlock x:Name="txtNo" TextWrapping="Wrap" Text="{Binding No}" VerticalAlignment="Center" FontFamily="Segoe UI" FontSize="28" FontWeight="Light"/>
<TextBlock TextWrapping="Wrap" VerticalAlignment="Center" FontFamily="Segoe UI" FontSize="28" FontWeight="Light" Text=")"/>
<TextBlock Text="{StaticResource ChevronGlyph}" FontFamily="Segoe UI Symbol" Margin="10,0,0,10" Style="{StaticResource GroupHeaderTextStyle}" Foreground="#FF9F9F9F"/>
<TextBlock x:Name="txtVideo" HorizontalAlignment="Right" TextWrapping="Wrap" Text="{Binding Sub}" VerticalAlignment="Bottom" Foreground="#FFC4261D" Margin="0,21,0,0" FontFamily="Segoe UI" FontSize="16" Visibility="{Binding SubTl}"/>
<TextBlock x:Name="txtPicture" HorizontalAlignment="Right" TextWrapping="Wrap" Text="{Binding Sub2}" VerticalAlignment="Bottom" Foreground="#FFC4261D" Margin="0,21,0,0" FontFamily="Segoe UI" FontSize="16" Visibility="{Binding SubT2}"/>
</StackPanel>
</DataTemplate>
</GroupStyle.HeaderTemplate>
<GroupStyle.Panel>
<ItemsPanelTemplate>
<VariableSizedWrapGrid ItemHeight="5" ItemWidth="5" Orientation="Vertical" Margin="0,0,10,0"/>
</ItemsPanelTemplate>
</GroupStyle.Panel>
</GroupStyle>
</tiles:VariableTileControl.GroupStyle>
</tiles:VariableTileControl>
</SemanticZoom.ZoomedOutView>
<SemanticZoom.ZoomedInView>
<GridView x:Name="itemGridView"
AutomationProperties.AutomationId="itemGridView"
AutomationProperties.Name="Grouped Items"
Padding="116,110,40,10"
ItemsSource="{Binding Source={StaticResource groupedItemsViewSource}}"
ItemTemplateSelector="{StaticResource LivTemplates}"
SelectionMode="None"
IsSwipeEnabled="false"
IsItemClickEnabled="True"
ItemClick="ItemView_ItemClick"
ScrollViewer.HorizontalScrollBarVisibility="Disabled">
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel Orientation="Horizontal" Margin="0,0,80,0"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
<GridView.GroupStyle>
<GroupStyle ContainerStyle="{StaticResource HubPageMoreGroupItemStyle}">
<GroupStyle.HeaderTemplate>
<DataTemplate>
<StackPanel Margin="1,0,0,6" Orientation="Horizontal">
<Button AutomationProperties.Name="Group Title"
Content="{Binding name}"
Click="Header_Click"
Style="{StaticResource TextButtonStyle}"
Foreground="White" FontSize="32"
Background="#FFD71921" FontWeight="Light"/>
<TextBlock x:Name="tbk" Text="TM" VerticalAlignment="Top" Visibility="{Binding Tm}"/>
<TextBlock Text="{StaticResource ChevronGlyph}" FontFamily="Segoe UI Symbol" Margin="10,0,0,10" Style="{StaticResource GroupHeaderTextStyle}" Foreground="#FF9F9F9F"/>
<TextBlock x:Name="txtVideo" HorizontalAlignment="Right" TextWrapping="Wrap" Text="{Binding Sub}" VerticalAlignment="Bottom" Foreground="#FFC4261D" Margin="0,21,0,0" FontFamily="Segoe UI" FontSize="16" Visibility="{Binding SubTl}"/>
<TextBlock x:Name="txtPicture" HorizontalAlignment="Right" TextWrapping="Wrap" Text="{Binding Sub2}" VerticalAlignment="Bottom" Foreground="#FFC4261D" Margin="0,21,0,0" FontFamily="Segoe UI" FontSize="16" Visibility="{Binding SubT2}"/>
</StackPanel>
</DataTemplate>
</GroupStyle.HeaderTemplate>
<GroupStyle.Panel>
<ItemsPanelTemplate>
<VariableSizedWrapGrid ItemHeight="5" ItemWidth="5" Orientation="Vertical" Margin="0,0,133,0"/>
</ItemsPanelTemplate>
</GroupStyle.Panel>
</GroupStyle>
</GridView.GroupStyle>
</GridView>
</SemanticZoom.ZoomedInView>
在上面的代码中,我只对下面显示的一行感兴趣 AutomationProperties.AutomationId="itemGridView"
AutomationProperties.Name="分组项目"
我想知道上述行在 xaml 中的作用是什么。