Get Selected Index der Listenansicht von Seite Ressource

Question

Unten ist mein XAML-Code, ich möchte den List Selection Index von der ListView mit SelectionChanged-Ereignis abrufen. Ich kann das nicht erreichen.

<Page 
    x:Class="MMRevamp_2016.MainPage" 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:local="using:MMRevamp_2016" 
    xmlns:ViewModels="using:MMRevamp_2016.ViewModels" 
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
    mc:Ignorable="d" 
    Background="Gray" 
    FontFamily="{StaticResource ContentControlThemeFontFamily}"> 

    <Page.Resources> 
     <ViewModels:HomePageViewModel x:Key="ViewModel" /> 
     <DataTemplate x:Key="headerTemplate"> 
      <TextBlock Text="{Binding Title}" FontSize="16"/> 
     </DataTemplate> 
     <DataTemplate x:Key="pivotTemplate"> 
      <ListView x:Name="listView" Background="White" SelectionChanged="getIndex" ItemsSource="{Binding Articles}" HorizontalAlignment="Left" Margin="-25 0 -25 0"> 
       <ListView.ItemTemplate> 
        <DataTemplate> 
         <StackPanel Tapped="ArticleDetailStackPanel_Tapped"> 
          <Grid> 
           <Image x:Name="ArticleImage" Source="{Binding ImageURL}"></Image> 
           <Grid> 
            <Border VerticalAlignment="Bottom" Height="65" Background="Black" Opacity="0.5"> 
            </Border> 
            <TextBlock x:Name="HeadLine" Text="{Binding HeadLine}" VerticalAlignment="Bottom" 
               Margin="10 0 0 5" TextWrapping="Wrap" 
               FontSize="20" Foreground="White" 
               Pivot.SlideInAnimationGroup="GroupTwo" 
               FontWeight="Bold" />          
           </Grid> 
          </Grid> 
          <StackPanel> 
           <TextBlock Text="{Binding Abstract}" TextWrapping="Wrap" FontSize="15" 
            Pivot.SlideInAnimationGroup="GroupTwo" Margin="10 5 0 10"/> 
          </StackPanel> 
         </StackPanel> 
        </DataTemplate> 
       </ListView.ItemTemplate> 
      </ListView> 
     </DataTemplate> 
    </Page.Resources> 

<Grid Background="Gray"> 
     <Grid x:Name="LoadingGrid" Visibility="Visible"> 
      <ProgressRing x:Name="progressRing" IsActive="True" Foreground="White" HorizontalAlignment="Center" Width="60" 
          Height="50" VerticalAlignment="Center" Margin="0 20 0 0"></ProgressRing> 
     </Grid> 
     <Grid> 
      <Grid.RowDefinitions> 
       <RowDefinition Height="60"></RowDefinition> 
       <RowDefinition Height="45"></RowDefinition> 
       <RowDefinition Height="*"></RowDefinition> 
      </Grid.RowDefinitions> 

      <Grid Grid.Row="0"> 
       <Image Source="Source" HorizontalAlignment="Center" Margin="1 5 0 0"></Image> 
      </Grid> 

      <Grid Grid.Row="1"> 
       <Grid.ColumnDefinitions> 
        <ColumnDefinition Width="50"></ColumnDefinition> 
        <ColumnDefinition Width="*"></ColumnDefinition> 
       </Grid.ColumnDefinitions> 
       <Grid Grid.Column="0"> 
        <Button x:Name="HamburgerButton" FontFamily="Segoe MDL2 Assets" Content="&#xE700;" 
          Width="60" Height="60" Background="Transparent" Margin="-10 -20 0 0" 
          Click="HamburgerButton_Click"/> 
       </Grid> 
       <Grid Grid.Column="1"> 
        <TextBlock Text="செய்திகள்" HorizontalAlignment="Center" FontSize="30" 
          Margin="-35 0 0 0" Foreground="White"></TextBlock> 
       </Grid> 
      </Grid> 

      <Grid Grid.Row="2" x:Name="ArticlesGrid" Visibility="Collapsed"> 
       <SplitView x:Name="MySplitView" DisplayMode="CompactOverlay" IsPaneOpen="False" 
       CompactPaneLength="0" OpenPaneLength="220"> 
        <SplitView.Pane> 
         <ListView x:Name="menuBindList" Background="Gray"> 
          <ListView.ItemTemplate> 
           <DataTemplate> 
            <StackPanel> 
             <StackPanel Orientation="Horizontal" Tag="{Binding SectionName}"> 
              <!--<Button x:Name="MenuButton1" FontFamily="Segoe MDL2 Assets" Content="&#xE825;" 
            Width="50" Height="50" Background="Transparent" Margin="-10 0 0 0"/>--> 
              <TextBlock Text="{Binding TitleofAccess}" 
                Tag="{Binding SectionName}" FontSize="18" 
                VerticalAlignment="Center" Tapped="MenuTextBlock_Tapped" /> 
             </StackPanel> 
            </StackPanel> 
           </DataTemplate> 
          </ListView.ItemTemplate> 
         </ListView> 
        </SplitView.Pane> 
        <SplitView.Content> 
         <ScrollViewer Name="articlesScroll"> 
          <Pivot DataContext="{StaticResource ViewModel}" x:Name="pivot" 
            HeaderTemplate="{StaticResource headerTemplate}" 
            ItemTemplate="{StaticResource pivotTemplate}" ItemsSource="{Binding Feeds}" Margin="0,-10,0,10" 
            SelectionChanged="pivot_SelectionChanged"> 
          </Pivot> 
         </ScrollViewer> 
        </SplitView.Content> 
       </SplitView> 
      </Grid> 
     </Grid>   
    </Grid> 
</Page> 

Wenn jemand mich zu erreichen, wäre dies sehr hilfreich. Vielen Dank im Voraus

Answer 1

Im getIndex Methode tut dies,

int selectedItemIndex = (Sender als Listview) .SelectedIndex;