In Windows Universal-App zu verhindern, ich habe eine Pivot-Tabelle, die jeder Reiter Inhalt hat gridview, gridview Artikel Multi-Auswahlmodus ist,Wie deaktivieren (deaktivieren) gridview Artikel in Fenstern Universal-App
Was ich will, dass, wenn eine ein Element einmal geprüft (ausgewählt), dann wird es nicht in der Lage zu deselektieren (uncheck)
<Grid DataContext="{Binding Path=Value}">
<GridView x:Name="categoryItemsGV"
Margin="5,5,0,0"
SizeChanged="categoryItemsGV_SizeChanged"
IsItemClickEnabled="True"
ItemClick="categoryItemsGV_ItemClick"
SelectionMode="Single"
ItemsSource="{Binding}">
<GridView.ItemContainerStyle>
<Style TargetType="GridViewItem">
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<!--<Setter Property="VerticalContentAlignment" Value="Center"/>-->
</Style>
</GridView.ItemContainerStyle>
<GridView.ItemTemplate>
<DataTemplate>
<Grid Width="195" Height="43" Margin="3">
<StackPanel Width="193" Height="40" Background="Gray" Opacity="0.5" HorizontalAlignment="Right" VerticalAlignment="Bottom" />
<StackPanel Orientation="Horizontal" Width="193" Height="40" Padding="7,7,0,0" Background="#FDFCC2" HorizontalAlignment="Left" VerticalAlignment="Top">
<TextBlock Text="{Binding ProductOptionLineName}" FontSize="18" MaxLines="1" TextTrimming="CharacterEllipsis" Visibility="{Binding Converter={StaticResource langToVisibilityConverter}, ConverterParameter='CH', Mode=OneWay}">
</TextBlock>
<TextBlock Text="{Binding ProductOptionLineNameEn}" FontSize="18" MaxLines="1" TextTrimming="CharacterEllipsis" Visibility="{Binding Converter={StaticResource langToVisibilityConverter}, ConverterParameter='EN', Mode=OneWay}"/>
<TextBlock Text="{Binding ExtraPriceString}" FontSize="18" Margin="2,0,0,0"></TextBlock>
</StackPanel>
</Grid>
</DataTemplate>
</GridView.ItemTemplate>
</GridView>
</Grid>
private async void categoryItemsGV_ItemClick(object sender, ItemClickEventArgs e)
{
var item = e.ClickedItem as ProductOptionLineModel;
}